CRMProject

Tickets and projects13 EndpointsCRM / CRMProject

This method will get all CRMProject Objects

GET/api/crm/crmprojects

Query parameters

`searchString`string	text to search for in the list
`orderFieldName`string	name of the order field
`orderFieldSort`string	sorting modeAllowed: `DESCASC`
`page`integer	page of the list
`pageSize`integer	number of entries for each page
`withMaxPageNumber`string	returns the number of pages available as a header if this is set

Responses

200Returns a list of CRMProject objectsarray<CRMProject>

Show fields (19)

idinteger
Primary key of the project. Internal ID.
namestring
Name of the project.
closedstring (date-time)
Time the project was closed.
billedstring (date-time)
Time the project was billed.
numberstring
Number of the project.
startstring (date-time)
Start of the project.
endstring (date-time)
End of the project.
descriptionstring
Description of the project.
companyCRMCompany
Company the project belongs to.
Show fields (55)
- idinteger
  Primary key of the company. Internal ID.
- short_namestring
  Short name of the company.
- company_namestring
  Legal name of the company.
- secondary_namestring
  Second name line of the company.
- direct_dialstring
  Direct dial number of the company.
- invoice_emailstring
  E-mail address for invoices.
- send_invoice_emailboolean
  Send invoices by e-mail.
- send_invoice_letterboolean
  Send invoices by letter.
- time_report_emailstring
  E-mail address for time reports.
- payment_goalPaymentGoal
  Payment term of the company.
- payment_intervalstring
  Interval of the payments.
- vatidstring
  VAT identification number.
- taxnumberstring
  Tax number of the company.
- buyer_reference_idstring
  Leitweg-ID or custom reference ID defined by the customer
- taxTax
  Tax rate used for the company.
- infostring
  Information about the company.
- numberstring
  Customer or supplier number of the company.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Company number as text, including prefix.
- is_customerboolean
  The company is a customer.
- is_supplierboolean
  The company is a supplier.
- is_otherboolean
  The company is neither customer nor supplier.
- is_memberboolean
  The company is a member.
- archivedboolean
  The company is archived.
- categoryCRMCompanyCategory
  Category of the company.
- visible_for_customerboolean
  Whether the company is visible to the customer.
- founding_datestring (date-time)
  Founding date of the company.
- nace_sectionstring
  NACE section code (letter A-U)
- nace_codestring
  NACE code (numeric like 01.11, 62.01)
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- main_phonestring
  Main phone number.
- main_faxstring
  Main fax number.
- main_emailstring
  Main e-mail address.
- websitestring
  Website address.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- payment_typePaymentType
- company_employee_countinteger
  Number of employees of the company.
- company_founding_yearinteger
  Founding year of the company.
- company_family_ownedboolean
  Whether the company is family-owned.
- company_sales_volumestring
  Sales volume of the company.
- company_segmentstring
  Market segment of the company.
internal_main_contactUser14
Internal login user who is the main contact.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
categoryCRMProjectCategory
Category of the project.
Show fields (5)
- idinteger
  Primary key of the project category. Internal ID.
- namestring
  Name of the project category.
- descriptionstring
  Description of the project category.
- areasarray<CRMProjectCategoryArea>
  Areas the project category is assigned to.
- deletedboolean
  The category is deleted.
archivedboolean
The project is archived.
visible_for_customerboolean
The project is visible in the customer app.
name_for_customerstring
Name of the project shown to customers.
invoice_emailstring
E-mail address for invoices of the project.
time_report_emailstring
E-mail address for time reports of the project.
search_stringstring
Text that the entity can be searched by.
createdstring (date-time)
Point in time the entity was created.
updatedstring (date-time)
Point in time the entity was last updated.

Request

curl --request GET \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'GET', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.get(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://your-instance.iw-erp.de/api/crm/crmprojects', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Get,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects")
  .get()
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with the iw_erp_api package

import 'package:iw_erp_api/clients/crm_project_controller.dart';
import 'package:iw_erp_api/logic/iw_api_state.dart';

IwApiState().host = 'your-instance.iw-erp.de';
IwApiState().currentJwtApiToken = '<TOKEN>';

final result = await CrmProjectController.getAll();
if (result.success) {
  print(result.data);
}

Response 200 application/json

[
  {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "invoice_email": "lena.hartmann@example.org",
    "time_report_email": "lena.hartmann@example.org",
    "closed": "2026-10-15T09:30:00+02:00",
    "billed": "2026-10-15T09:30:00+02:00",
    "number": "string",
    "start": "2026-10-15T09:30:00+02:00",
    "end": "2026-10-15T09:30:00+02:00"
  }
]

Add a new CRMProject

POST/api/crm/crmprojects

Responses

200Add a new CRMProjectCRMProject2

Show fields (14)

idinteger
Primary key of the project. Internal ID.
namestring
Name of the project.
closedstring (date-time)
Time the project was closed.
billedstring (date-time)
Time the project was billed.
numberstring
Number of the project.
startstring (date-time)
Start of the project.
endstring (date-time)
End of the project.
descriptionstring
Description of the project.
companyCRMCompany
Company the project belongs to.
Show fields (55)
- idinteger
  Primary key of the company. Internal ID.
- short_namestring
  Short name of the company.
- company_namestring
  Legal name of the company.
- secondary_namestring
  Second name line of the company.
- direct_dialstring
  Direct dial number of the company.
- invoice_emailstring
  E-mail address for invoices.
- send_invoice_emailboolean
  Send invoices by e-mail.
- send_invoice_letterboolean
  Send invoices by letter.
- time_report_emailstring
  E-mail address for time reports.
- payment_goalPaymentGoal
  Payment term of the company.
- payment_intervalstring
  Interval of the payments.
- vatidstring
  VAT identification number.
- taxnumberstring
  Tax number of the company.
- buyer_reference_idstring
  Leitweg-ID or custom reference ID defined by the customer
- taxTax
  Tax rate used for the company.
- infostring
  Information about the company.
- numberstring
  Customer or supplier number of the company.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Company number as text, including prefix.
- is_customerboolean
  The company is a customer.
- is_supplierboolean
  The company is a supplier.
- is_otherboolean
  The company is neither customer nor supplier.
- is_memberboolean
  The company is a member.
- archivedboolean
  The company is archived.
- categoryCRMCompanyCategory
  Category of the company.
- visible_for_customerboolean
  Whether the company is visible to the customer.
- founding_datestring (date-time)
  Founding date of the company.
- nace_sectionstring
  NACE section code (letter A-U)
- nace_codestring
  NACE code (numeric like 01.11, 62.01)
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- main_phonestring
  Main phone number.
- main_faxstring
  Main fax number.
- main_emailstring
  Main e-mail address.
- websitestring
  Website address.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- payment_typePaymentType
- company_employee_countinteger
  Number of employees of the company.
- company_founding_yearinteger
  Founding year of the company.
- company_family_ownedboolean
  Whether the company is family-owned.
- company_sales_volumestring
  Sales volume of the company.
- company_segmentstring
  Market segment of the company.
main_contactsarray<CRMPerson10>
Main contact persons of the project.
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
internal_main_contactUser14
Internal login user who is the main contact.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
employeesarray<User14>
Employees who work on the project.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
itemsarray<CRMProjectItem3>
Items billed in the project.
Show fields (33)
- idinteger
  Primary key of the mapped billing item. Internal ID.
- namestringrequired
  Name of the billing item.
- descriptionstringrequired
  Description of the billing item shown to the customer.
- internal_descriptionstring
  Internal description of the billing item, not shown to the customer.
- fixed_hoursnumber (float)
  Fixed number of hours billed.
- fixed_pricenumber (float)
  Fixed price billed.
- fixed_price_base_unitnumber (float)
  Base unit for the fixed price.
- price_fixed_hoursnumber (float)
  Price for the fixed hours.
- price_additional_hoursnumber (float)
  Price for each additional hour.
- name_additional_hoursstring
  Name of the additional hours item.
- description_additional_hoursstring
  Description of the additional hours item.
- time_billed_on_ticket_closeboolean
  Whether the time is billed when the ticket is closed.
- billing_typeBillingItemType
  Billing item type.
- buying_pricenumber (float)
  Purchase price of the item.
- recurrenceCRMRecurrence
  Recurrence the billing item follows.
- deletedboolean
  Whether the billing item is deleted.
- condition_date_afterstring (date-time)
  The item applies only to dates after this date.
- condition_date_beforestring (date-time)
  The item applies only to dates before this date.
- condition_country_codestring
  Country code the item applies to.
- condition_zip_code_fromstring
  Start of the postal code range the item applies to.
- condition_zip_code_tostring
  End of the postal code range the item applies to.
- condition_time_after_hourinteger
  The item applies only after this hour of the day.
- condition_max_lengthinteger
  Maximum length the item applies to.
- condition_time_before_hourinteger
  The item applies only before this hour of the day.
- condition_sub_access_tagAccessTag
  Access tag a subscription must have for the item to apply.
- condition_show_despite_missing_access_tagboolean
  Whether the item is shown even if the access tag is missing.
- condition_sub_free_logicstring
  Free-form condition logic for the subscription.
- fixed_price_logicstring
  Free-form logic that calculates the fixed price.
- sub_self_service_addboolean
  Whether members can add the subscription themselves.
- sub_self_service_deleteboolean
  Whether members can cancel the subscription themselves.
- sub_self_service_add_fixed_pricenumber (float)
  Fixed price charged when members add the subscription themselves.
- sub_self_service_delete_fixed_pricenumber (float)
  Fixed price charged when members cancel the subscription themselves.
- … 24 more fields
… 15 more fields

Request

curl --request POST \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'POST', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.post(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://your-instance.iw-erp.de/api/crm/crmprojects', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Post,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects")
  .post(null)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects"

	req, _ := http.NewRequest("POST", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with the iw_erp_api package

import 'package:iw_erp_api/clients/crm_project_controller.dart';
import 'package:iw_erp_api/logic/iw_api_state.dart';
import 'package:iw_erp_api/model/crm_project.dart';

IwApiState().host = 'your-instance.iw-erp.de';
IwApiState().currentJwtApiToken = '<TOKEN>';

final result = await CrmProjectController.post(CrmProject.fromJson({}));
if (result.success) {
  print(result.data);
}

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "invoice_email": "lena.hartmann@example.org",
  "time_report_email": "lena.hartmann@example.org",
  "closed": "2026-10-15T09:30:00+02:00",
  "billed": "2026-10-15T09:30:00+02:00",
  "number": "string",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00"
}

This method will update a CRMProject Object

PUT/api/crm/crmprojects/{id}

Path parameters

idrequiredstring

Responses

200Update a CRMProjectCRMProject2

Show fields (14)

idinteger
Primary key of the project. Internal ID.
namestring
Name of the project.
closedstring (date-time)
Time the project was closed.
billedstring (date-time)
Time the project was billed.
numberstring
Number of the project.
startstring (date-time)
Start of the project.
endstring (date-time)
End of the project.
descriptionstring
Description of the project.
companyCRMCompany
Company the project belongs to.
Show fields (55)
- idinteger
  Primary key of the company. Internal ID.
- short_namestring
  Short name of the company.
- company_namestring
  Legal name of the company.
- secondary_namestring
  Second name line of the company.
- direct_dialstring
  Direct dial number of the company.
- invoice_emailstring
  E-mail address for invoices.
- send_invoice_emailboolean
  Send invoices by e-mail.
- send_invoice_letterboolean
  Send invoices by letter.
- time_report_emailstring
  E-mail address for time reports.
- payment_goalPaymentGoal
  Payment term of the company.
- payment_intervalstring
  Interval of the payments.
- vatidstring
  VAT identification number.
- taxnumberstring
  Tax number of the company.
- buyer_reference_idstring
  Leitweg-ID or custom reference ID defined by the customer
- taxTax
  Tax rate used for the company.
- infostring
  Information about the company.
- numberstring
  Customer or supplier number of the company.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Company number as text, including prefix.
- is_customerboolean
  The company is a customer.
- is_supplierboolean
  The company is a supplier.
- is_otherboolean
  The company is neither customer nor supplier.
- is_memberboolean
  The company is a member.
- archivedboolean
  The company is archived.
- categoryCRMCompanyCategory
  Category of the company.
- visible_for_customerboolean
  Whether the company is visible to the customer.
- founding_datestring (date-time)
  Founding date of the company.
- nace_sectionstring
  NACE section code (letter A-U)
- nace_codestring
  NACE code (numeric like 01.11, 62.01)
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- main_phonestring
  Main phone number.
- main_faxstring
  Main fax number.
- main_emailstring
  Main e-mail address.
- websitestring
  Website address.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- payment_typePaymentType
- company_employee_countinteger
  Number of employees of the company.
- company_founding_yearinteger
  Founding year of the company.
- company_family_ownedboolean
  Whether the company is family-owned.
- company_sales_volumestring
  Sales volume of the company.
- company_segmentstring
  Market segment of the company.
main_contactsarray<CRMPerson10>
Main contact persons of the project.
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
internal_main_contactUser14
Internal login user who is the main contact.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
employeesarray<User14>
Employees who work on the project.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
itemsarray<CRMProjectItem3>
Items billed in the project.
Show fields (33)
- idinteger
  Primary key of the mapped billing item. Internal ID.
- namestringrequired
  Name of the billing item.
- descriptionstringrequired
  Description of the billing item shown to the customer.
- internal_descriptionstring
  Internal description of the billing item, not shown to the customer.
- fixed_hoursnumber (float)
  Fixed number of hours billed.
- fixed_pricenumber (float)
  Fixed price billed.
- fixed_price_base_unitnumber (float)
  Base unit for the fixed price.
- price_fixed_hoursnumber (float)
  Price for the fixed hours.
- price_additional_hoursnumber (float)
  Price for each additional hour.
- name_additional_hoursstring
  Name of the additional hours item.
- description_additional_hoursstring
  Description of the additional hours item.
- time_billed_on_ticket_closeboolean
  Whether the time is billed when the ticket is closed.
- billing_typeBillingItemType
  Billing item type.
- buying_pricenumber (float)
  Purchase price of the item.
- recurrenceCRMRecurrence
  Recurrence the billing item follows.
- deletedboolean
  Whether the billing item is deleted.
- condition_date_afterstring (date-time)
  The item applies only to dates after this date.
- condition_date_beforestring (date-time)
  The item applies only to dates before this date.
- condition_country_codestring
  Country code the item applies to.
- condition_zip_code_fromstring
  Start of the postal code range the item applies to.
- condition_zip_code_tostring
  End of the postal code range the item applies to.
- condition_time_after_hourinteger
  The item applies only after this hour of the day.
- condition_max_lengthinteger
  Maximum length the item applies to.
- condition_time_before_hourinteger
  The item applies only before this hour of the day.
- condition_sub_access_tagAccessTag
  Access tag a subscription must have for the item to apply.
- condition_show_despite_missing_access_tagboolean
  Whether the item is shown even if the access tag is missing.
- condition_sub_free_logicstring
  Free-form condition logic for the subscription.
- fixed_price_logicstring
  Free-form logic that calculates the fixed price.
- sub_self_service_addboolean
  Whether members can add the subscription themselves.
- sub_self_service_deleteboolean
  Whether members can cancel the subscription themselves.
- sub_self_service_add_fixed_pricenumber (float)
  Fixed price charged when members add the subscription themselves.
- sub_self_service_delete_fixed_pricenumber (float)
  Fixed price charged when members cancel the subscription themselves.
- … 24 more fields
… 15 more fields

Request

curl --request PUT \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects/42 \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'PUT', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects/42', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects/42"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.put(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('PUT', 'https://your-instance.iw-erp.de/api/crm/crmprojects/42', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Put,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects/42"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects/42")
  .put(null)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects/42"

	req, _ := http.NewRequest("PUT", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with the iw_erp_api package

import 'package:iw_erp_api/clients/crm_project_controller.dart';
import 'package:iw_erp_api/logic/iw_api_state.dart';
import 'package:iw_erp_api/model/crm_project.dart';

IwApiState().host = 'your-instance.iw-erp.de';
IwApiState().currentJwtApiToken = '<TOKEN>';

final result = await CrmProjectController.put(CrmProject.fromJson({}));
if (result.success) {
  print(result.data);
}

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "invoice_email": "lena.hartmann@example.org",
  "time_report_email": "lena.hartmann@example.org",
  "closed": "2026-10-15T09:30:00+02:00",
  "billed": "2026-10-15T09:30:00+02:00",
  "number": "string",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00"
}

This method will update a CRMProject Object

PATCH/api/crm/crmprojects/{id}

Path parameters

idrequiredstring

Responses

200Update a CRMProjectCRMProject2

Show fields (14)

idinteger
Primary key of the project. Internal ID.
namestring
Name of the project.
closedstring (date-time)
Time the project was closed.
billedstring (date-time)
Time the project was billed.
numberstring
Number of the project.
startstring (date-time)
Start of the project.
endstring (date-time)
End of the project.
descriptionstring
Description of the project.
companyCRMCompany
Company the project belongs to.
Show fields (55)
- idinteger
  Primary key of the company. Internal ID.
- short_namestring
  Short name of the company.
- company_namestring
  Legal name of the company.
- secondary_namestring
  Second name line of the company.
- direct_dialstring
  Direct dial number of the company.
- invoice_emailstring
  E-mail address for invoices.
- send_invoice_emailboolean
  Send invoices by e-mail.
- send_invoice_letterboolean
  Send invoices by letter.
- time_report_emailstring
  E-mail address for time reports.
- payment_goalPaymentGoal
  Payment term of the company.
- payment_intervalstring
  Interval of the payments.
- vatidstring
  VAT identification number.
- taxnumberstring
  Tax number of the company.
- buyer_reference_idstring
  Leitweg-ID or custom reference ID defined by the customer
- taxTax
  Tax rate used for the company.
- infostring
  Information about the company.
- numberstring
  Customer or supplier number of the company.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Company number as text, including prefix.
- is_customerboolean
  The company is a customer.
- is_supplierboolean
  The company is a supplier.
- is_otherboolean
  The company is neither customer nor supplier.
- is_memberboolean
  The company is a member.
- archivedboolean
  The company is archived.
- categoryCRMCompanyCategory
  Category of the company.
- visible_for_customerboolean
  Whether the company is visible to the customer.
- founding_datestring (date-time)
  Founding date of the company.
- nace_sectionstring
  NACE section code (letter A-U)
- nace_codestring
  NACE code (numeric like 01.11, 62.01)
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- main_phonestring
  Main phone number.
- main_faxstring
  Main fax number.
- main_emailstring
  Main e-mail address.
- websitestring
  Website address.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- payment_typePaymentType
- company_employee_countinteger
  Number of employees of the company.
- company_founding_yearinteger
  Founding year of the company.
- company_family_ownedboolean
  Whether the company is family-owned.
- company_sales_volumestring
  Sales volume of the company.
- company_segmentstring
  Market segment of the company.
main_contactsarray<CRMPerson10>
Main contact persons of the project.
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
internal_main_contactUser14
Internal login user who is the main contact.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
employeesarray<User14>
Employees who work on the project.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
itemsarray<CRMProjectItem3>
Items billed in the project.
Show fields (33)
- idinteger
  Primary key of the mapped billing item. Internal ID.
- namestringrequired
  Name of the billing item.
- descriptionstringrequired
  Description of the billing item shown to the customer.
- internal_descriptionstring
  Internal description of the billing item, not shown to the customer.
- fixed_hoursnumber (float)
  Fixed number of hours billed.
- fixed_pricenumber (float)
  Fixed price billed.
- fixed_price_base_unitnumber (float)
  Base unit for the fixed price.
- price_fixed_hoursnumber (float)
  Price for the fixed hours.
- price_additional_hoursnumber (float)
  Price for each additional hour.
- name_additional_hoursstring
  Name of the additional hours item.
- description_additional_hoursstring
  Description of the additional hours item.
- time_billed_on_ticket_closeboolean
  Whether the time is billed when the ticket is closed.
- billing_typeBillingItemType
  Billing item type.
- buying_pricenumber (float)
  Purchase price of the item.
- recurrenceCRMRecurrence
  Recurrence the billing item follows.
- deletedboolean
  Whether the billing item is deleted.
- condition_date_afterstring (date-time)
  The item applies only to dates after this date.
- condition_date_beforestring (date-time)
  The item applies only to dates before this date.
- condition_country_codestring
  Country code the item applies to.
- condition_zip_code_fromstring
  Start of the postal code range the item applies to.
- condition_zip_code_tostring
  End of the postal code range the item applies to.
- condition_time_after_hourinteger
  The item applies only after this hour of the day.
- condition_max_lengthinteger
  Maximum length the item applies to.
- condition_time_before_hourinteger
  The item applies only before this hour of the day.
- condition_sub_access_tagAccessTag
  Access tag a subscription must have for the item to apply.
- condition_show_despite_missing_access_tagboolean
  Whether the item is shown even if the access tag is missing.
- condition_sub_free_logicstring
  Free-form condition logic for the subscription.
- fixed_price_logicstring
  Free-form logic that calculates the fixed price.
- sub_self_service_addboolean
  Whether members can add the subscription themselves.
- sub_self_service_deleteboolean
  Whether members can cancel the subscription themselves.
- sub_self_service_add_fixed_pricenumber (float)
  Fixed price charged when members add the subscription themselves.
- sub_self_service_delete_fixed_pricenumber (float)
  Fixed price charged when members cancel the subscription themselves.
- … 24 more fields
… 15 more fields

Request

curl --request PATCH \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects/42 \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'PATCH', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects/42', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects/42"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.patch(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('PATCH', 'https://your-instance.iw-erp.de/api/crm/crmprojects/42', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Patch,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects/42"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects/42")
  .patch(null)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects/42"

	req, _ := http.NewRequest("PATCH", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with package:http (no controller in the iw_erp_api package)

import 'package:http/http.dart' as http;

final response = await http.patch(
  Uri.parse('https://your-instance.iw-erp.de/api/crm/crmprojects/42'),
  headers: {'x-iw-jwt-token': '<TOKEN>'},
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "invoice_email": "lena.hartmann@example.org",
  "time_report_email": "lena.hartmann@example.org",
  "closed": "2026-10-15T09:30:00+02:00",
  "billed": "2026-10-15T09:30:00+02:00",
  "number": "string",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00"
}

This method will get a single CRMProject Object with the given id

GET/api/crm/crmprojects/{identifier}

Path parameters

identifierrequiredstring

Responses

200Returns a single CRMProjectCRMProject2

Show fields (14)

idinteger
Primary key of the project. Internal ID.
namestring
Name of the project.
closedstring (date-time)
Time the project was closed.
billedstring (date-time)
Time the project was billed.
numberstring
Number of the project.
startstring (date-time)
Start of the project.
endstring (date-time)
End of the project.
descriptionstring
Description of the project.
companyCRMCompany
Company the project belongs to.
Show fields (55)
- idinteger
  Primary key of the company. Internal ID.
- short_namestring
  Short name of the company.
- company_namestring
  Legal name of the company.
- secondary_namestring
  Second name line of the company.
- direct_dialstring
  Direct dial number of the company.
- invoice_emailstring
  E-mail address for invoices.
- send_invoice_emailboolean
  Send invoices by e-mail.
- send_invoice_letterboolean
  Send invoices by letter.
- time_report_emailstring
  E-mail address for time reports.
- payment_goalPaymentGoal
  Payment term of the company.
- payment_intervalstring
  Interval of the payments.
- vatidstring
  VAT identification number.
- taxnumberstring
  Tax number of the company.
- buyer_reference_idstring
  Leitweg-ID or custom reference ID defined by the customer
- taxTax
  Tax rate used for the company.
- infostring
  Information about the company.
- numberstring
  Customer or supplier number of the company.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Company number as text, including prefix.
- is_customerboolean
  The company is a customer.
- is_supplierboolean
  The company is a supplier.
- is_otherboolean
  The company is neither customer nor supplier.
- is_memberboolean
  The company is a member.
- archivedboolean
  The company is archived.
- categoryCRMCompanyCategory
  Category of the company.
- visible_for_customerboolean
  Whether the company is visible to the customer.
- founding_datestring (date-time)
  Founding date of the company.
- nace_sectionstring
  NACE section code (letter A-U)
- nace_codestring
  NACE code (numeric like 01.11, 62.01)
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- main_phonestring
  Main phone number.
- main_faxstring
  Main fax number.
- main_emailstring
  Main e-mail address.
- websitestring
  Website address.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- payment_typePaymentType
- company_employee_countinteger
  Number of employees of the company.
- company_founding_yearinteger
  Founding year of the company.
- company_family_ownedboolean
  Whether the company is family-owned.
- company_sales_volumestring
  Sales volume of the company.
- company_segmentstring
  Market segment of the company.
main_contactsarray<CRMPerson10>
Main contact persons of the project.
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
internal_main_contactUser14
Internal login user who is the main contact.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
employeesarray<User14>
Employees who work on the project.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
itemsarray<CRMProjectItem3>
Items billed in the project.
Show fields (33)
- idinteger
  Primary key of the mapped billing item. Internal ID.
- namestringrequired
  Name of the billing item.
- descriptionstringrequired
  Description of the billing item shown to the customer.
- internal_descriptionstring
  Internal description of the billing item, not shown to the customer.
- fixed_hoursnumber (float)
  Fixed number of hours billed.
- fixed_pricenumber (float)
  Fixed price billed.
- fixed_price_base_unitnumber (float)
  Base unit for the fixed price.
- price_fixed_hoursnumber (float)
  Price for the fixed hours.
- price_additional_hoursnumber (float)
  Price for each additional hour.
- name_additional_hoursstring
  Name of the additional hours item.
- description_additional_hoursstring
  Description of the additional hours item.
- time_billed_on_ticket_closeboolean
  Whether the time is billed when the ticket is closed.
- billing_typeBillingItemType
  Billing item type.
- buying_pricenumber (float)
  Purchase price of the item.
- recurrenceCRMRecurrence
  Recurrence the billing item follows.
- deletedboolean
  Whether the billing item is deleted.
- condition_date_afterstring (date-time)
  The item applies only to dates after this date.
- condition_date_beforestring (date-time)
  The item applies only to dates before this date.
- condition_country_codestring
  Country code the item applies to.
- condition_zip_code_fromstring
  Start of the postal code range the item applies to.
- condition_zip_code_tostring
  End of the postal code range the item applies to.
- condition_time_after_hourinteger
  The item applies only after this hour of the day.
- condition_max_lengthinteger
  Maximum length the item applies to.
- condition_time_before_hourinteger
  The item applies only before this hour of the day.
- condition_sub_access_tagAccessTag
  Access tag a subscription must have for the item to apply.
- condition_show_despite_missing_access_tagboolean
  Whether the item is shown even if the access tag is missing.
- condition_sub_free_logicstring
  Free-form condition logic for the subscription.
- fixed_price_logicstring
  Free-form logic that calculates the fixed price.
- sub_self_service_addboolean
  Whether members can add the subscription themselves.
- sub_self_service_deleteboolean
  Whether members can cancel the subscription themselves.
- sub_self_service_add_fixed_pricenumber (float)
  Fixed price charged when members add the subscription themselves.
- sub_self_service_delete_fixed_pricenumber (float)
  Fixed price charged when members cancel the subscription themselves.
- … 24 more fields
… 15 more fields

Request

curl --request GET \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects/42 \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'GET', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects/42', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects/42"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.get(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://your-instance.iw-erp.de/api/crm/crmprojects/42', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Get,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects/42"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects/42")
  .get()
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects/42"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with the iw_erp_api package

import 'package:iw_erp_api/clients/crm_project_controller.dart';
import 'package:iw_erp_api/logic/iw_api_state.dart';

IwApiState().host = 'your-instance.iw-erp.de';
IwApiState().currentJwtApiToken = '<TOKEN>';

final result = await CrmProjectController.get('42');
if (result.success) {
  print(result.data);
}

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "invoice_email": "lena.hartmann@example.org",
  "time_report_email": "lena.hartmann@example.org",
  "closed": "2026-10-15T09:30:00+02:00",
  "billed": "2026-10-15T09:30:00+02:00",
  "number": "string",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00"
}

This method will get all used offers in the given project

GET/api/crm/crmprojects/{projectIdentifier}/offers

Path parameters

projectIdentifierrequiredstring

Query parameters

`searchString`string	text to search for in the list
`orderFieldName`string	name of the order field
`orderFieldSort`string	sorting modeAllowed: `DESCASC`
`page`integer	page of the list
`pageSize`integer	number of entries for each page
`withMaxPageNumber`string	returns the number of pages available as a header if this is set

Responses

200Returns a list of Offers for a CRMProjectarray<Offer>

Show fields (33)

idinteger
Primary key of the invoice document. Internal ID.
tokenstring
Token that identifies the document for public access.
numberinteger
Running document number.
manual_number_prefixstring
Prefix of a manually entered document number.
manual_numberinteger
Manually entered document number.
number_stringstring
Document number as displayed to users.
generation_datestring (date-time)
Date the document was generated.
number_datestring (date-time)
Date used for the document number.
messagestring
Message printed on the document.
currencystring
Currency of the document.
namestring
Name of the document.
due_datestring (date-time)
Due date of the document.
netto_valuenumber (float)
Net total of the document.
brutto_valuenumber (float)
Gross total of the document.
tax_valuenumber (float)
Total tax amount of the document.
taxTaxrequired
Tax rate applied to the document.
Show fields (6)
- idinteger
  Primary key of the tax rate. Internal ID.
- namestringrequired
  Name of the tax rate, for example 19 percent.
- valuenumber (float)
  Tax rate in percent.
- deletedboolean
  The tax rate is deleted.
- global_defaultboolean
  Default tax rate for new items.
- datev_tax_keyinteger
  DATEV Steuerschlüssel für Umsatzsteuer (Ausgangsrechnungen). Wird von BuchhaltungsButler und DATEV-Export genutzt. Standardwerte: 0 = Kein Steuerausweis (0%) 2 = Umsatzsteuer 7% (ermäßigt) 3 = Umsatzsteuer 19% (Regelsteuersatz) Für Vorsteuer (Eingangsrechnungen) gibt es eine spiegelbildliche Zuordnung: 0 = Keine Vorsteuer (0%) 5 = Vorsteuer 7% 8 = Vorsteuer 19%
linked_number_titlestring
Title of the linked document number.
linked_numberstring
Number of the linked document.
statusstring
Status of the document.
previous_statusstring
Status before the last change.
status_updatedstring (date-time)
Point in time the status was last changed.
archivedboolean
Whether the document is archived.
last_pdf_exportstring (date-time)
Point in time the PDF was last exported.
last_status_exportstring
Status at the last export.
search_stringstring
Text that the entity can be searched by.
offer_accounting_typeOfferAccountingTyperequired
Accounting type of the offer.
Show fields (7)
- idinteger
  Primary key of the offer accounting type. Internal ID.
- namestringrequired
  Name of the accounting type.
- cancelled_namestring
  Name used when an offer of this type is canceled.
- typestringrequired
  Type of the accounting type, for example offer or contract.
- conditionsstring
  Conditions printed on the offer.
- number_descriptionstring
  Description of the number format of the offer.
- deletedboolean
  The accounting type is deleted.
itemsarray<OfferItem>
Items of the offer.
Show fields (16)
- idinteger
  Primary key of the invoice item. Internal ID.
- descriptionstring
  Description of the invoice item.
- price_is_bruttoboolean
  Whether the price is a gross price including tax.
- skustring
  Artikelnummer (Stock Keeping Unit)
- barcodestring
  Barcode (ISBN, UPC, GTIN usw.)
- item_typestring
  Typ (Item, Shipping)
- netto_valuenumber (float)
  Net value of the invoice item.
- brutto_valuenumber (float)
  Gross value of the invoice item.
- tax_valuenumber (float)
  Tax amount of the invoice item.
- quantitynumber (float)required
  Quantity of the invoice item.
- pricenumber (float)required
  Unit price of the invoice item.
- namestringrequired
  Name of the invoice item.
- unitstringrequired
  Unit of the invoice item.
- taxTax
  Tax rate applied to the invoice item.
- offerOffer
  Offer the item belongs to.
- custom_productCustomizedBillingItem
  Customized product used for the item.
buyerOfferBuyer
Buyer of the offer.
Show fields (22)
- idinteger
  Primary key of the client. Internal ID.
- namestring
  Name of the client on the invoice.
- vat_idstring
  VAT ID of the client.
- taxnumberstring
  Tax number of the client.
- buyer_reference_idstring
  Leitweg-ID or custom reference ID defined by the customer
- secondary_namestring
  Second name line of the client on the invoice.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- numberstring
  Customer number of the buyer.
- search_stringstring
  Text that the entity can be searched by.
- offerOffer
  Offer the buyer belongs to.
accepted_datestring (date-time)
Date the offer was accepted.
is_accepted_date_from_ext_serviceboolean
The acceptance date comes from an external service.
projectCRMProject5
Project the offer belongs to.
Show fields (19)
- idinteger
  Primary key of the project. Internal ID.
- namestring
  Name of the project.
- closedstring (date-time)
  Time the project was closed.
- billedstring (date-time)
  Time the project was billed.
- numberstring
  Number of the project.
- startstring (date-time)
  Start of the project.
- endstring (date-time)
  End of the project.
- descriptionstring
  Description of the project.
- companyCRMCompany
  Company the project belongs to.
- internal_main_contactUser14
  Internal login user who is the main contact.
- categoryCRMProjectCategory
  Category of the project.
- archivedboolean
  The project is archived.
- visible_for_customerboolean
  The project is visible in the customer app.
- name_for_customerstring
  Name of the project shown to customers.
- invoice_emailstring
  E-mail address for invoices of the project.
- time_report_emailstring
  E-mail address for time reports of the project.
- search_stringstring
  Text that the entity can be searched by.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
invoicesarray<Invoice12>
Invoices created from the offer.
Show fields (38)
- idinteger
  Primary key of the invoice document. Internal ID.
- tokenstring
  Token that identifies the document for public access.
- numberinteger
  Running document number.
- manual_number_prefixstring
  Prefix of a manually entered document number.
- manual_numberinteger
  Manually entered document number.
- number_stringstring
  Document number as displayed to users.
- generation_datestring (date-time)
  Date the document was generated.
- number_datestring (date-time)
  Date used for the document number.
- messagestring
  Message printed on the document.
- currencystring
  Currency of the document.
- namestring
  Name of the document.
- due_datestring (date-time)
  Due date of the document.
- netto_valuenumber (float)
  Net total of the document.
- brutto_valuenumber (float)
  Gross total of the document.
- tax_valuenumber (float)
  Total tax amount of the document.
- taxTaxrequired
  Tax rate applied to the document.
- linked_number_titlestring
  Title of the linked document number.
- linked_numberstring
  Number of the linked document.
- statusstring
  Status of the document.
- previous_statusstring
  Status before the last change.
- status_updatedstring (date-time)
  Point in time the status was last changed.
- archivedboolean
  Whether the document is archived.
- last_pdf_exportstring (date-time)
  Point in time the PDF was last exported.
- last_status_exportstring
  Status at the last export.
- search_stringstring
  Text that the entity can be searched by.
- accounting_typeAccountingTyperequired
  Accounting type of the invoice.
- payment_typePaymentType
  Payment type of the invoice.
- payment_goalPaymentGoal
  Payment term of the invoice.
- expense_categoryExpenseCategory10
  EÜR-Kategorie für diese Rechnung (Einnahmen-Zuordnung) Wenn nicht gesetzt, wird die Default-Kategorie des AccountingTypes verwendet
- buyerInvoiceBuyer12
  Buyer of the invoice.
- payment_datestring (date-time)
  Date the invoice was paid.
- vat_categorystring
  Der umsatzsteuerliche Sachverhalt. Der Steuersatz sagt nicht, in welche Zeile der Voranmeldung ein Umsatz gehört. Null Prozent stehen an einer innergemeinschaftlichen Lieferung (Kennzahl 41), an einer Ausfuhr (43), an einer Leistung nach § 13b UStG (60) und an einem steuerfreien Umsatz nach § 4 UStG (48) - vier verschiedene Zeilen, derselbe Steuersatz. Hier ist die einzige Stelle, an der jemand das weiss: beim Schreiben der Rechnung ist bekannt, ob der Kunde eine USt-IdNr. hat und wohin die Ware geht. Später ist es nicht mehr rekonstruierbar. Ohne Angabe der Regelfall - alles andere war bisher nicht erfassbar.
- is_payment_date_from_ext_serviceboolean
  The payment date comes from an external service.
- direct_debit_exportedboolean
  The invoice was exported for direct debit.
- cancel_datestring (date-time)
  Date the invoice was canceled.
- cancel_textstring
  Text of the cancellation.
- start_datestring (date-time)
  Start of the billed period.
- end_datestring (date-time)
  End of the billed period.
base_event_sign_upBaseEventSignUp10
Sign-up the offer was created for.
Show fields (54)
- bib_range_idinteger
- age_classstring
  Altersklasse nach DLV, z. B. M40 - berechnet aus Geburtstag, Geschlecht und Eventdatum.
- idinteger
  Primary key of the sign-up. Internal ID.
- genderstring
  Gender of the participant.
- tokenstring
  Public token of the sign-up. Used in links instead of the ID.
- moments_tokenstring
  Participant-bound moments token: allows this participant to use the event moments (digital guestbook) page; uploads via this token are linked to the participant.
- waitingboolean
  The sign-up is on the waiting list.
- confirmedboolean
  The sign-up is confirmed.
- externalboolean
  The sign-up was made by an external party.
- deletion_reasonstring
  Reason the sign-up was cancelled.
- billedboolean
  The sign-up was billed.
- direct_billingboolean
- direct_billing_check_datestring (date-time)
- direct_billing_tokenstring
- wait_list_confirmation_tokenstring
- wait_list_confirmation_sent_atstring (date-time)
- wait_list_confirmation_deadlinestring (date-time)
- wait_list_confirmed_atstring (date-time)
- wait_list_pending_confirmationboolean
- wait_list_sort_orderinteger
- birthdaystring (date-time)
  Birthday of the participant.
- trialboolean
  Trial date sign-up (Schnuppern): a date sign-up without a course place that uses up one unit of the person's trial pass (eventAccessBudget with sourceType trial)
- trial_channelstring
  Who booked the trial date: app, trainer, office
- trial_session_numberinteger
  Number of this trial date within the pass (1 = first), for "Schnuppern 2/3"
- trial_session_maxinteger
  Trial dates of the pass, for "Schnuppern 2/3"
- nace_sectionstring
  NACE section code (letter A-U)
- nace_codestring
  NACE code (numeric like 01.11, 62.01)
- bib_numberinteger
  Startnummer (Zaehler). Bei PER_PREFIX nur zusammen mit dem Praefix eindeutig. Wird nur ueber BibNumberAssigner gesetzt, stornierte Anmeldungen behalten sie.
- bib_labelstring
  Angezeigte Startnummer inkl. Praefix, z. B. W0123. Pro Event eindeutig.
- bib_number_assigned_atstring (date-time)
  Time the bib number was assigned.
- chip_codestring
  Transponder- oder QR-Kennung fuer die Zeitmessung. Pro Event eindeutig.
- timing_tracking_consentboolean
  Einwilligung in das GPS-Live-Tracking waehrend des Events.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- namestring
  Name of the entity.
- main_phonestring
  Main phone number.
- main_faxstring
  Main fax number.
- main_emailstring
  Main e-mail address.
- websitestring
  Website address.
- deletedboolean
  This property is used to mark an entity as deleted / archived
- orderinteger
  Position of the entity in the order.

Request

curl --request GET \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects/42/offers \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'GET', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects/42/offers', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects/42/offers"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.get(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://your-instance.iw-erp.de/api/crm/crmprojects/42/offers', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Get,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects/42/offers"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects/42/offers")
  .get()
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects/42/offers"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with package:http (no controller in the iw_erp_api package)

import 'package:http/http.dart' as http;

final response = await http.get(
  Uri.parse('https://your-instance.iw-erp.de/api/crm/crmprojects/42/offers'),
  headers: {'x-iw-jwt-token': '<TOKEN>'},
);
print(response.body);

Response 200 application/json

[
  {
    "tax": {
      "name": "Beispiel",
      "id": 42,
      "value": 1.5,
      "deleted": true,
      "global_default": true,
      "datev_tax_key": 1
    },
    "offer_accounting_type": {
      "name": "Beispiel",
      "type": "string",
      "id": 42,
      "cancelled_name": "Beispiel",
      "number_description": "Text",
      "conditions": "string",
      "deleted": true
    },
    "id": 42,
    "currency": "EUR",
    "name": "Beispiel",
    "linked_number_title": "Beispiel",
    "token": "string",
    "number": 1,
    "manual_number_prefix": "string",
    "manual_number": 1
  }
]

This method will get a time report of the given project

GET/api/crm/crmprojects/{projectIdentifier}/time/report

Path parameters

projectIdentifierrequiredstring

Responses

200Returns a time report for a CRMProjectProjectTimeReport

Show fields (9)

idinteger
Primary key of the project time report. Internal ID.
projectCRMProject6
Project the time report belongs to.
Show fields (19)
- idinteger
  Primary key of the project. Internal ID.
- namestring
  Name of the project.
- closedstring (date-time)
  Time the project was closed.
- billedstring (date-time)
  Time the project was billed.
- numberstring
  Number of the project.
- startstring (date-time)
  Start of the project.
- endstring (date-time)
  End of the project.
- descriptionstring
  Description of the project.
- companyCRMCompany
  Company the project belongs to.
- internal_main_contactUser14
  Internal login user who is the main contact.
- categoryCRMProjectCategory
  Category of the project.
- archivedboolean
  The project is archived.
- visible_for_customerboolean
  The project is visible in the customer app.
- name_for_customerstring
  Name of the project shown to customers.
- invoice_emailstring
  E-mail address for invoices of the project.
- time_report_emailstring
  E-mail address for time reports of the project.
- search_stringstring
  Text that the entity can be searched by.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
invoiceInvoice13
Invoice the time report was billed on.
Show fields (38)
- idinteger
  Primary key of the invoice document. Internal ID.
- tokenstring
  Token that identifies the document for public access.
- numberinteger
  Running document number.
- manual_number_prefixstring
  Prefix of a manually entered document number.
- manual_numberinteger
  Manually entered document number.
- number_stringstring
  Document number as displayed to users.
- generation_datestring (date-time)
  Date the document was generated.
- number_datestring (date-time)
  Date used for the document number.
- messagestring
  Message printed on the document.
- currencystring
  Currency of the document.
- namestring
  Name of the document.
- due_datestring (date-time)
  Due date of the document.
- netto_valuenumber (float)
  Net total of the document.
- brutto_valuenumber (float)
  Gross total of the document.
- tax_valuenumber (float)
  Total tax amount of the document.
- taxTaxrequired
  Tax rate applied to the document.
- linked_number_titlestring
  Title of the linked document number.
- linked_numberstring
  Number of the linked document.
- statusstring
  Status of the document.
- previous_statusstring
  Status before the last change.
- status_updatedstring (date-time)
  Point in time the status was last changed.
- archivedboolean
  Whether the document is archived.
- last_pdf_exportstring (date-time)
  Point in time the PDF was last exported.
- last_status_exportstring
  Status at the last export.
- search_stringstring
  Text that the entity can be searched by.
- accounting_typeAccountingTyperequired
  Accounting type of the invoice.
- payment_typePaymentType
  Payment type of the invoice.
- payment_goalPaymentGoal
  Payment term of the invoice.
- expense_categoryExpenseCategory10
  EÜR-Kategorie für diese Rechnung (Einnahmen-Zuordnung) Wenn nicht gesetzt, wird die Default-Kategorie des AccountingTypes verwendet
- buyerInvoiceBuyer13
  Buyer of the invoice.
- payment_datestring (date-time)
  Date the invoice was paid.
- vat_categorystring
  Der umsatzsteuerliche Sachverhalt. Der Steuersatz sagt nicht, in welche Zeile der Voranmeldung ein Umsatz gehört. Null Prozent stehen an einer innergemeinschaftlichen Lieferung (Kennzahl 41), an einer Ausfuhr (43), an einer Leistung nach § 13b UStG (60) und an einem steuerfreien Umsatz nach § 4 UStG (48) - vier verschiedene Zeilen, derselbe Steuersatz. Hier ist die einzige Stelle, an der jemand das weiss: beim Schreiben der Rechnung ist bekannt, ob der Kunde eine USt-IdNr. hat und wohin die Ware geht. Später ist es nicht mehr rekonstruierbar. Ohne Angabe der Regelfall - alles andere war bisher nicht erfassbar.
- is_payment_date_from_ext_serviceboolean
  The payment date comes from an external service.
- direct_debit_exportedboolean
  The invoice was exported for direct debit.
- cancel_datestring (date-time)
  Date the invoice was canceled.
- cancel_textstring
  Text of the cancellation.
- start_datestring (date-time)
  Start of the billed period.
- end_datestring (date-time)
  End of the billed period.
itemsarray<ProjectTimeReportItem>
Items of the time report.
Show fields (7)
- idinteger
  Primary key of the project time report item. Internal ID.
- ticketCustomerTicket5
  Ticket the item was created from.
- project_time_reportProjectTimeReport
  Project time report the item belongs to.
- namestring
  Name of the ticket or task.
- statusstring
  Status of the ticket or task.
- time_string_billablestring
  Billable time as text.
- time_string_not_billablestring
  Non-billable time as text.
time_billed_on_ticket_closeboolean
Time is billed when the ticket is closed.
startstring (date-time)
Start of the reported period.
endstring (date-time)
End of the reported period.
time_string_billablestring
Billable time as text.
time_string_not_billablestring
Non-billable time as text.

Request

curl --request GET \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects/42/time/report \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'GET', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects/42/time/report', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects/42/time/report"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.get(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://your-instance.iw-erp.de/api/crm/crmprojects/42/time/report', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Get,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects/42/time/report"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects/42/time/report")
  .get()
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects/42/time/report"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with package:http (no controller in the iw_erp_api package)

import 'package:http/http.dart' as http;

final response = await http.get(
  Uri.parse('https://your-instance.iw-erp.de/api/crm/crmprojects/42/time/report'),
  headers: {'x-iw-jwt-token': '<TOKEN>'},
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "project": {
    "id": 42,
    "name": "Beispiel",
    "description": "Text",
    "invoice_email": "lena.hartmann@example.org",
    "time_report_email": "lena.hartmann@example.org",
    "closed": "2026-10-15T09:30:00+02:00",
    "billed": "2026-10-15T09:30:00+02:00",
    "number": "string",
    "start": "2026-10-15T09:30:00+02:00",
    "end": "2026-10-15T09:30:00+02:00"
  },
  "invoice": {
    "tax": {
      "name": "Beispiel",
      "id": 42,
      "value": 1.5,
      "deleted": true,
      "global_default": true,
      "datev_tax_key": 1
    },
    "accounting_type": {
      "name": "Beispiel",
      "type": "string",
      "id": 42,
      "cancelled_name": "Beispiel",
      "deleted": true
    },
    "id": 42,
    "currency": "EUR",
    "name": "Beispiel",
    "linked_number_title": "Beispiel",
    "cancel_text": "Text",
    "token": "string",
    "number": 1,
    "manual_number_prefix": "string"
  },
  "items": [
    {
      "id": 42,
      "name": "Beispiel",
      "status": "string",
      "time_string_billable": "string",
      "time_string_not_billable": "string"
    }
  ],
  "time_billed_on_ticket_close": true,
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00",
  "time_string_billable": "string",
  "time_string_not_billable": "string"
}

Add an Internal Contact to a CRMProject

POST/api/crm/crmprojects/{id}/adds/internalcontacts

Path parameters

idrequiredstring

Responses

200Add an Internal Contact to a CRMProjectCRMProject2

Show fields (14)

idinteger
Primary key of the project. Internal ID.
namestring
Name of the project.
closedstring (date-time)
Time the project was closed.
billedstring (date-time)
Time the project was billed.
numberstring
Number of the project.
startstring (date-time)
Start of the project.
endstring (date-time)
End of the project.
descriptionstring
Description of the project.
companyCRMCompany
Company the project belongs to.
Show fields (55)
- idinteger
  Primary key of the company. Internal ID.
- short_namestring
  Short name of the company.
- company_namestring
  Legal name of the company.
- secondary_namestring
  Second name line of the company.
- direct_dialstring
  Direct dial number of the company.
- invoice_emailstring
  E-mail address for invoices.
- send_invoice_emailboolean
  Send invoices by e-mail.
- send_invoice_letterboolean
  Send invoices by letter.
- time_report_emailstring
  E-mail address for time reports.
- payment_goalPaymentGoal
  Payment term of the company.
- payment_intervalstring
  Interval of the payments.
- vatidstring
  VAT identification number.
- taxnumberstring
  Tax number of the company.
- buyer_reference_idstring
  Leitweg-ID or custom reference ID defined by the customer
- taxTax
  Tax rate used for the company.
- infostring
  Information about the company.
- numberstring
  Customer or supplier number of the company.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Company number as text, including prefix.
- is_customerboolean
  The company is a customer.
- is_supplierboolean
  The company is a supplier.
- is_otherboolean
  The company is neither customer nor supplier.
- is_memberboolean
  The company is a member.
- archivedboolean
  The company is archived.
- categoryCRMCompanyCategory
  Category of the company.
- visible_for_customerboolean
  Whether the company is visible to the customer.
- founding_datestring (date-time)
  Founding date of the company.
- nace_sectionstring
  NACE section code (letter A-U)
- nace_codestring
  NACE code (numeric like 01.11, 62.01)
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- main_phonestring
  Main phone number.
- main_faxstring
  Main fax number.
- main_emailstring
  Main e-mail address.
- websitestring
  Website address.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- payment_typePaymentType
- company_employee_countinteger
  Number of employees of the company.
- company_founding_yearinteger
  Founding year of the company.
- company_family_ownedboolean
  Whether the company is family-owned.
- company_sales_volumestring
  Sales volume of the company.
- company_segmentstring
  Market segment of the company.
main_contactsarray<CRMPerson10>
Main contact persons of the project.
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
internal_main_contactUser14
Internal login user who is the main contact.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
employeesarray<User14>
Employees who work on the project.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
itemsarray<CRMProjectItem3>
Items billed in the project.
Show fields (33)
- idinteger
  Primary key of the mapped billing item. Internal ID.
- namestringrequired
  Name of the billing item.
- descriptionstringrequired
  Description of the billing item shown to the customer.
- internal_descriptionstring
  Internal description of the billing item, not shown to the customer.
- fixed_hoursnumber (float)
  Fixed number of hours billed.
- fixed_pricenumber (float)
  Fixed price billed.
- fixed_price_base_unitnumber (float)
  Base unit for the fixed price.
- price_fixed_hoursnumber (float)
  Price for the fixed hours.
- price_additional_hoursnumber (float)
  Price for each additional hour.
- name_additional_hoursstring
  Name of the additional hours item.
- description_additional_hoursstring
  Description of the additional hours item.
- time_billed_on_ticket_closeboolean
  Whether the time is billed when the ticket is closed.
- billing_typeBillingItemType
  Billing item type.
- buying_pricenumber (float)
  Purchase price of the item.
- recurrenceCRMRecurrence
  Recurrence the billing item follows.
- deletedboolean
  Whether the billing item is deleted.
- condition_date_afterstring (date-time)
  The item applies only to dates after this date.
- condition_date_beforestring (date-time)
  The item applies only to dates before this date.
- condition_country_codestring
  Country code the item applies to.
- condition_zip_code_fromstring
  Start of the postal code range the item applies to.
- condition_zip_code_tostring
  End of the postal code range the item applies to.
- condition_time_after_hourinteger
  The item applies only after this hour of the day.
- condition_max_lengthinteger
  Maximum length the item applies to.
- condition_time_before_hourinteger
  The item applies only before this hour of the day.
- condition_sub_access_tagAccessTag
  Access tag a subscription must have for the item to apply.
- condition_show_despite_missing_access_tagboolean
  Whether the item is shown even if the access tag is missing.
- condition_sub_free_logicstring
  Free-form condition logic for the subscription.
- fixed_price_logicstring
  Free-form logic that calculates the fixed price.
- sub_self_service_addboolean
  Whether members can add the subscription themselves.
- sub_self_service_deleteboolean
  Whether members can cancel the subscription themselves.
- sub_self_service_add_fixed_pricenumber (float)
  Fixed price charged when members add the subscription themselves.
- sub_self_service_delete_fixed_pricenumber (float)
  Fixed price charged when members cancel the subscription themselves.
- … 24 more fields
… 15 more fields

Request

curl --request POST \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/internalcontacts \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'POST', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/internalcontacts', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/internalcontacts"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.post(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/internalcontacts', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Post,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/internalcontacts"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/internalcontacts")
  .post(null)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/internalcontacts"

	req, _ := http.NewRequest("POST", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with package:http (no controller in the iw_erp_api package)

import 'package:http/http.dart' as http;

final response = await http.post(
  Uri.parse('https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/internalcontacts'),
  headers: {'x-iw-jwt-token': '<TOKEN>'},
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "invoice_email": "lena.hartmann@example.org",
  "time_report_email": "lena.hartmann@example.org",
  "closed": "2026-10-15T09:30:00+02:00",
  "billed": "2026-10-15T09:30:00+02:00",
  "number": "string",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00"
}

Delete an Internal Contact from a CRMProject

POST/api/crm/crmprojects/{id}/deletes/internalcontacts

Path parameters

idrequiredstring

Responses

200Delete an Internal Contact from a CRMProjectCRMProject2

Show fields (14)

idinteger
Primary key of the project. Internal ID.
namestring
Name of the project.
closedstring (date-time)
Time the project was closed.
billedstring (date-time)
Time the project was billed.
numberstring
Number of the project.
startstring (date-time)
Start of the project.
endstring (date-time)
End of the project.
descriptionstring
Description of the project.
companyCRMCompany
Company the project belongs to.
Show fields (55)
- idinteger
  Primary key of the company. Internal ID.
- short_namestring
  Short name of the company.
- company_namestring
  Legal name of the company.
- secondary_namestring
  Second name line of the company.
- direct_dialstring
  Direct dial number of the company.
- invoice_emailstring
  E-mail address for invoices.
- send_invoice_emailboolean
  Send invoices by e-mail.
- send_invoice_letterboolean
  Send invoices by letter.
- time_report_emailstring
  E-mail address for time reports.
- payment_goalPaymentGoal
  Payment term of the company.
- payment_intervalstring
  Interval of the payments.
- vatidstring
  VAT identification number.
- taxnumberstring
  Tax number of the company.
- buyer_reference_idstring
  Leitweg-ID or custom reference ID defined by the customer
- taxTax
  Tax rate used for the company.
- infostring
  Information about the company.
- numberstring
  Customer or supplier number of the company.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Company number as text, including prefix.
- is_customerboolean
  The company is a customer.
- is_supplierboolean
  The company is a supplier.
- is_otherboolean
  The company is neither customer nor supplier.
- is_memberboolean
  The company is a member.
- archivedboolean
  The company is archived.
- categoryCRMCompanyCategory
  Category of the company.
- visible_for_customerboolean
  Whether the company is visible to the customer.
- founding_datestring (date-time)
  Founding date of the company.
- nace_sectionstring
  NACE section code (letter A-U)
- nace_codestring
  NACE code (numeric like 01.11, 62.01)
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- main_phonestring
  Main phone number.
- main_faxstring
  Main fax number.
- main_emailstring
  Main e-mail address.
- websitestring
  Website address.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- payment_typePaymentType
- company_employee_countinteger
  Number of employees of the company.
- company_founding_yearinteger
  Founding year of the company.
- company_family_ownedboolean
  Whether the company is family-owned.
- company_sales_volumestring
  Sales volume of the company.
- company_segmentstring
  Market segment of the company.
main_contactsarray<CRMPerson10>
Main contact persons of the project.
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
internal_main_contactUser14
Internal login user who is the main contact.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
employeesarray<User14>
Employees who work on the project.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
itemsarray<CRMProjectItem3>
Items billed in the project.
Show fields (33)
- idinteger
  Primary key of the mapped billing item. Internal ID.
- namestringrequired
  Name of the billing item.
- descriptionstringrequired
  Description of the billing item shown to the customer.
- internal_descriptionstring
  Internal description of the billing item, not shown to the customer.
- fixed_hoursnumber (float)
  Fixed number of hours billed.
- fixed_pricenumber (float)
  Fixed price billed.
- fixed_price_base_unitnumber (float)
  Base unit for the fixed price.
- price_fixed_hoursnumber (float)
  Price for the fixed hours.
- price_additional_hoursnumber (float)
  Price for each additional hour.
- name_additional_hoursstring
  Name of the additional hours item.
- description_additional_hoursstring
  Description of the additional hours item.
- time_billed_on_ticket_closeboolean
  Whether the time is billed when the ticket is closed.
- billing_typeBillingItemType
  Billing item type.
- buying_pricenumber (float)
  Purchase price of the item.
- recurrenceCRMRecurrence
  Recurrence the billing item follows.
- deletedboolean
  Whether the billing item is deleted.
- condition_date_afterstring (date-time)
  The item applies only to dates after this date.
- condition_date_beforestring (date-time)
  The item applies only to dates before this date.
- condition_country_codestring
  Country code the item applies to.
- condition_zip_code_fromstring
  Start of the postal code range the item applies to.
- condition_zip_code_tostring
  End of the postal code range the item applies to.
- condition_time_after_hourinteger
  The item applies only after this hour of the day.
- condition_max_lengthinteger
  Maximum length the item applies to.
- condition_time_before_hourinteger
  The item applies only before this hour of the day.
- condition_sub_access_tagAccessTag
  Access tag a subscription must have for the item to apply.
- condition_show_despite_missing_access_tagboolean
  Whether the item is shown even if the access tag is missing.
- condition_sub_free_logicstring
  Free-form condition logic for the subscription.
- fixed_price_logicstring
  Free-form logic that calculates the fixed price.
- sub_self_service_addboolean
  Whether members can add the subscription themselves.
- sub_self_service_deleteboolean
  Whether members can cancel the subscription themselves.
- sub_self_service_add_fixed_pricenumber (float)
  Fixed price charged when members add the subscription themselves.
- sub_self_service_delete_fixed_pricenumber (float)
  Fixed price charged when members cancel the subscription themselves.
- … 24 more fields
… 15 more fields

Request

curl --request POST \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/internalcontacts \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'POST', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/internalcontacts', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/internalcontacts"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.post(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/internalcontacts', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Post,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/internalcontacts"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/internalcontacts")
  .post(null)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/internalcontacts"

	req, _ := http.NewRequest("POST", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with package:http (no controller in the iw_erp_api package)

import 'package:http/http.dart' as http;

final response = await http.post(
  Uri.parse('https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/internalcontacts'),
  headers: {'x-iw-jwt-token': '<TOKEN>'},
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "invoice_email": "lena.hartmann@example.org",
  "time_report_email": "lena.hartmann@example.org",
  "closed": "2026-10-15T09:30:00+02:00",
  "billed": "2026-10-15T09:30:00+02:00",
  "number": "string",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00"
}

Add Main Contacts to a CRMProject

POST/api/crm/crmprojects/{id}/adds/maincontacts

Path parameters

idrequiredstring

Responses

200Add Main Contacts to a CRMProjectCRMProject2

Show fields (14)

idinteger
Primary key of the project. Internal ID.
namestring
Name of the project.
closedstring (date-time)
Time the project was closed.
billedstring (date-time)
Time the project was billed.
numberstring
Number of the project.
startstring (date-time)
Start of the project.
endstring (date-time)
End of the project.
descriptionstring
Description of the project.
companyCRMCompany
Company the project belongs to.
Show fields (55)
- idinteger
  Primary key of the company. Internal ID.
- short_namestring
  Short name of the company.
- company_namestring
  Legal name of the company.
- secondary_namestring
  Second name line of the company.
- direct_dialstring
  Direct dial number of the company.
- invoice_emailstring
  E-mail address for invoices.
- send_invoice_emailboolean
  Send invoices by e-mail.
- send_invoice_letterboolean
  Send invoices by letter.
- time_report_emailstring
  E-mail address for time reports.
- payment_goalPaymentGoal
  Payment term of the company.
- payment_intervalstring
  Interval of the payments.
- vatidstring
  VAT identification number.
- taxnumberstring
  Tax number of the company.
- buyer_reference_idstring
  Leitweg-ID or custom reference ID defined by the customer
- taxTax
  Tax rate used for the company.
- infostring
  Information about the company.
- numberstring
  Customer or supplier number of the company.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Company number as text, including prefix.
- is_customerboolean
  The company is a customer.
- is_supplierboolean
  The company is a supplier.
- is_otherboolean
  The company is neither customer nor supplier.
- is_memberboolean
  The company is a member.
- archivedboolean
  The company is archived.
- categoryCRMCompanyCategory
  Category of the company.
- visible_for_customerboolean
  Whether the company is visible to the customer.
- founding_datestring (date-time)
  Founding date of the company.
- nace_sectionstring
  NACE section code (letter A-U)
- nace_codestring
  NACE code (numeric like 01.11, 62.01)
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- main_phonestring
  Main phone number.
- main_faxstring
  Main fax number.
- main_emailstring
  Main e-mail address.
- websitestring
  Website address.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- payment_typePaymentType
- company_employee_countinteger
  Number of employees of the company.
- company_founding_yearinteger
  Founding year of the company.
- company_family_ownedboolean
  Whether the company is family-owned.
- company_sales_volumestring
  Sales volume of the company.
- company_segmentstring
  Market segment of the company.
main_contactsarray<CRMPerson10>
Main contact persons of the project.
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
internal_main_contactUser14
Internal login user who is the main contact.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
employeesarray<User14>
Employees who work on the project.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
itemsarray<CRMProjectItem3>
Items billed in the project.
Show fields (33)
- idinteger
  Primary key of the mapped billing item. Internal ID.
- namestringrequired
  Name of the billing item.
- descriptionstringrequired
  Description of the billing item shown to the customer.
- internal_descriptionstring
  Internal description of the billing item, not shown to the customer.
- fixed_hoursnumber (float)
  Fixed number of hours billed.
- fixed_pricenumber (float)
  Fixed price billed.
- fixed_price_base_unitnumber (float)
  Base unit for the fixed price.
- price_fixed_hoursnumber (float)
  Price for the fixed hours.
- price_additional_hoursnumber (float)
  Price for each additional hour.
- name_additional_hoursstring
  Name of the additional hours item.
- description_additional_hoursstring
  Description of the additional hours item.
- time_billed_on_ticket_closeboolean
  Whether the time is billed when the ticket is closed.
- billing_typeBillingItemType
  Billing item type.
- buying_pricenumber (float)
  Purchase price of the item.
- recurrenceCRMRecurrence
  Recurrence the billing item follows.
- deletedboolean
  Whether the billing item is deleted.
- condition_date_afterstring (date-time)
  The item applies only to dates after this date.
- condition_date_beforestring (date-time)
  The item applies only to dates before this date.
- condition_country_codestring
  Country code the item applies to.
- condition_zip_code_fromstring
  Start of the postal code range the item applies to.
- condition_zip_code_tostring
  End of the postal code range the item applies to.
- condition_time_after_hourinteger
  The item applies only after this hour of the day.
- condition_max_lengthinteger
  Maximum length the item applies to.
- condition_time_before_hourinteger
  The item applies only before this hour of the day.
- condition_sub_access_tagAccessTag
  Access tag a subscription must have for the item to apply.
- condition_show_despite_missing_access_tagboolean
  Whether the item is shown even if the access tag is missing.
- condition_sub_free_logicstring
  Free-form condition logic for the subscription.
- fixed_price_logicstring
  Free-form logic that calculates the fixed price.
- sub_self_service_addboolean
  Whether members can add the subscription themselves.
- sub_self_service_deleteboolean
  Whether members can cancel the subscription themselves.
- sub_self_service_add_fixed_pricenumber (float)
  Fixed price charged when members add the subscription themselves.
- sub_self_service_delete_fixed_pricenumber (float)
  Fixed price charged when members cancel the subscription themselves.
- … 24 more fields
… 15 more fields

Request

curl --request POST \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/maincontacts \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'POST', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/maincontacts', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/maincontacts"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.post(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/maincontacts', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Post,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/maincontacts"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/maincontacts")
  .post(null)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/maincontacts"

	req, _ := http.NewRequest("POST", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with package:http (no controller in the iw_erp_api package)

import 'package:http/http.dart' as http;

final response = await http.post(
  Uri.parse('https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/maincontacts'),
  headers: {'x-iw-jwt-token': '<TOKEN>'},
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "invoice_email": "lena.hartmann@example.org",
  "time_report_email": "lena.hartmann@example.org",
  "closed": "2026-10-15T09:30:00+02:00",
  "billed": "2026-10-15T09:30:00+02:00",
  "number": "string",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00"
}

Delete Main Contacts from a CRMProject

POST/api/crm/crmprojects/{id}/deletes/maincontacts

Path parameters

idrequiredstring

Responses

200Delete Main Contacts from a CRMProjectCRMProject2

Show fields (14)

idinteger
Primary key of the project. Internal ID.
namestring
Name of the project.
closedstring (date-time)
Time the project was closed.
billedstring (date-time)
Time the project was billed.
numberstring
Number of the project.
startstring (date-time)
Start of the project.
endstring (date-time)
End of the project.
descriptionstring
Description of the project.
companyCRMCompany
Company the project belongs to.
Show fields (55)
- idinteger
  Primary key of the company. Internal ID.
- short_namestring
  Short name of the company.
- company_namestring
  Legal name of the company.
- secondary_namestring
  Second name line of the company.
- direct_dialstring
  Direct dial number of the company.
- invoice_emailstring
  E-mail address for invoices.
- send_invoice_emailboolean
  Send invoices by e-mail.
- send_invoice_letterboolean
  Send invoices by letter.
- time_report_emailstring
  E-mail address for time reports.
- payment_goalPaymentGoal
  Payment term of the company.
- payment_intervalstring
  Interval of the payments.
- vatidstring
  VAT identification number.
- taxnumberstring
  Tax number of the company.
- buyer_reference_idstring
  Leitweg-ID or custom reference ID defined by the customer
- taxTax
  Tax rate used for the company.
- infostring
  Information about the company.
- numberstring
  Customer or supplier number of the company.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Company number as text, including prefix.
- is_customerboolean
  The company is a customer.
- is_supplierboolean
  The company is a supplier.
- is_otherboolean
  The company is neither customer nor supplier.
- is_memberboolean
  The company is a member.
- archivedboolean
  The company is archived.
- categoryCRMCompanyCategory
  Category of the company.
- visible_for_customerboolean
  Whether the company is visible to the customer.
- founding_datestring (date-time)
  Founding date of the company.
- nace_sectionstring
  NACE section code (letter A-U)
- nace_codestring
  NACE code (numeric like 01.11, 62.01)
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- main_phonestring
  Main phone number.
- main_faxstring
  Main fax number.
- main_emailstring
  Main e-mail address.
- websitestring
  Website address.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- payment_typePaymentType
- company_employee_countinteger
  Number of employees of the company.
- company_founding_yearinteger
  Founding year of the company.
- company_family_ownedboolean
  Whether the company is family-owned.
- company_sales_volumestring
  Sales volume of the company.
- company_segmentstring
  Market segment of the company.
main_contactsarray<CRMPerson10>
Main contact persons of the project.
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
internal_main_contactUser14
Internal login user who is the main contact.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
employeesarray<User14>
Employees who work on the project.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
itemsarray<CRMProjectItem3>
Items billed in the project.
Show fields (33)
- idinteger
  Primary key of the mapped billing item. Internal ID.
- namestringrequired
  Name of the billing item.
- descriptionstringrequired
  Description of the billing item shown to the customer.
- internal_descriptionstring
  Internal description of the billing item, not shown to the customer.
- fixed_hoursnumber (float)
  Fixed number of hours billed.
- fixed_pricenumber (float)
  Fixed price billed.
- fixed_price_base_unitnumber (float)
  Base unit for the fixed price.
- price_fixed_hoursnumber (float)
  Price for the fixed hours.
- price_additional_hoursnumber (float)
  Price for each additional hour.
- name_additional_hoursstring
  Name of the additional hours item.
- description_additional_hoursstring
  Description of the additional hours item.
- time_billed_on_ticket_closeboolean
  Whether the time is billed when the ticket is closed.
- billing_typeBillingItemType
  Billing item type.
- buying_pricenumber (float)
  Purchase price of the item.
- recurrenceCRMRecurrence
  Recurrence the billing item follows.
- deletedboolean
  Whether the billing item is deleted.
- condition_date_afterstring (date-time)
  The item applies only to dates after this date.
- condition_date_beforestring (date-time)
  The item applies only to dates before this date.
- condition_country_codestring
  Country code the item applies to.
- condition_zip_code_fromstring
  Start of the postal code range the item applies to.
- condition_zip_code_tostring
  End of the postal code range the item applies to.
- condition_time_after_hourinteger
  The item applies only after this hour of the day.
- condition_max_lengthinteger
  Maximum length the item applies to.
- condition_time_before_hourinteger
  The item applies only before this hour of the day.
- condition_sub_access_tagAccessTag
  Access tag a subscription must have for the item to apply.
- condition_show_despite_missing_access_tagboolean
  Whether the item is shown even if the access tag is missing.
- condition_sub_free_logicstring
  Free-form condition logic for the subscription.
- fixed_price_logicstring
  Free-form logic that calculates the fixed price.
- sub_self_service_addboolean
  Whether members can add the subscription themselves.
- sub_self_service_deleteboolean
  Whether members can cancel the subscription themselves.
- sub_self_service_add_fixed_pricenumber (float)
  Fixed price charged when members add the subscription themselves.
- sub_self_service_delete_fixed_pricenumber (float)
  Fixed price charged when members cancel the subscription themselves.
- … 24 more fields
… 15 more fields

Request

curl --request POST \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/maincontacts \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'POST', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/maincontacts', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/maincontacts"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.post(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/maincontacts', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Post,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/maincontacts"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/maincontacts")
  .post(null)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/maincontacts"

	req, _ := http.NewRequest("POST", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with package:http (no controller in the iw_erp_api package)

import 'package:http/http.dart' as http;

final response = await http.post(
  Uri.parse('https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/maincontacts'),
  headers: {'x-iw-jwt-token': '<TOKEN>'},
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "invoice_email": "lena.hartmann@example.org",
  "time_report_email": "lena.hartmann@example.org",
  "closed": "2026-10-15T09:30:00+02:00",
  "billed": "2026-10-15T09:30:00+02:00",
  "number": "string",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00"
}

Add a Employee to a CRMProject

POST/api/crm/crmprojects/{id}/adds/employees

Path parameters

idrequiredstring

Responses

200Add an Employee to a CRMProjectCRMProject2

Show fields (14)

idinteger
Primary key of the project. Internal ID.
namestring
Name of the project.
closedstring (date-time)
Time the project was closed.
billedstring (date-time)
Time the project was billed.
numberstring
Number of the project.
startstring (date-time)
Start of the project.
endstring (date-time)
End of the project.
descriptionstring
Description of the project.
companyCRMCompany
Company the project belongs to.
Show fields (55)
- idinteger
  Primary key of the company. Internal ID.
- short_namestring
  Short name of the company.
- company_namestring
  Legal name of the company.
- secondary_namestring
  Second name line of the company.
- direct_dialstring
  Direct dial number of the company.
- invoice_emailstring
  E-mail address for invoices.
- send_invoice_emailboolean
  Send invoices by e-mail.
- send_invoice_letterboolean
  Send invoices by letter.
- time_report_emailstring
  E-mail address for time reports.
- payment_goalPaymentGoal
  Payment term of the company.
- payment_intervalstring
  Interval of the payments.
- vatidstring
  VAT identification number.
- taxnumberstring
  Tax number of the company.
- buyer_reference_idstring
  Leitweg-ID or custom reference ID defined by the customer
- taxTax
  Tax rate used for the company.
- infostring
  Information about the company.
- numberstring
  Customer or supplier number of the company.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Company number as text, including prefix.
- is_customerboolean
  The company is a customer.
- is_supplierboolean
  The company is a supplier.
- is_otherboolean
  The company is neither customer nor supplier.
- is_memberboolean
  The company is a member.
- archivedboolean
  The company is archived.
- categoryCRMCompanyCategory
  Category of the company.
- visible_for_customerboolean
  Whether the company is visible to the customer.
- founding_datestring (date-time)
  Founding date of the company.
- nace_sectionstring
  NACE section code (letter A-U)
- nace_codestring
  NACE code (numeric like 01.11, 62.01)
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- main_phonestring
  Main phone number.
- main_faxstring
  Main fax number.
- main_emailstring
  Main e-mail address.
- websitestring
  Website address.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- payment_typePaymentType
- company_employee_countinteger
  Number of employees of the company.
- company_founding_yearinteger
  Founding year of the company.
- company_family_ownedboolean
  Whether the company is family-owned.
- company_sales_volumestring
  Sales volume of the company.
- company_segmentstring
  Market segment of the company.
main_contactsarray<CRMPerson10>
Main contact persons of the project.
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
internal_main_contactUser14
Internal login user who is the main contact.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
employeesarray<User14>
Employees who work on the project.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
itemsarray<CRMProjectItem3>
Items billed in the project.
Show fields (33)
- idinteger
  Primary key of the mapped billing item. Internal ID.
- namestringrequired
  Name of the billing item.
- descriptionstringrequired
  Description of the billing item shown to the customer.
- internal_descriptionstring
  Internal description of the billing item, not shown to the customer.
- fixed_hoursnumber (float)
  Fixed number of hours billed.
- fixed_pricenumber (float)
  Fixed price billed.
- fixed_price_base_unitnumber (float)
  Base unit for the fixed price.
- price_fixed_hoursnumber (float)
  Price for the fixed hours.
- price_additional_hoursnumber (float)
  Price for each additional hour.
- name_additional_hoursstring
  Name of the additional hours item.
- description_additional_hoursstring
  Description of the additional hours item.
- time_billed_on_ticket_closeboolean
  Whether the time is billed when the ticket is closed.
- billing_typeBillingItemType
  Billing item type.
- buying_pricenumber (float)
  Purchase price of the item.
- recurrenceCRMRecurrence
  Recurrence the billing item follows.
- deletedboolean
  Whether the billing item is deleted.
- condition_date_afterstring (date-time)
  The item applies only to dates after this date.
- condition_date_beforestring (date-time)
  The item applies only to dates before this date.
- condition_country_codestring
  Country code the item applies to.
- condition_zip_code_fromstring
  Start of the postal code range the item applies to.
- condition_zip_code_tostring
  End of the postal code range the item applies to.
- condition_time_after_hourinteger
  The item applies only after this hour of the day.
- condition_max_lengthinteger
  Maximum length the item applies to.
- condition_time_before_hourinteger
  The item applies only before this hour of the day.
- condition_sub_access_tagAccessTag
  Access tag a subscription must have for the item to apply.
- condition_show_despite_missing_access_tagboolean
  Whether the item is shown even if the access tag is missing.
- condition_sub_free_logicstring
  Free-form condition logic for the subscription.
- fixed_price_logicstring
  Free-form logic that calculates the fixed price.
- sub_self_service_addboolean
  Whether members can add the subscription themselves.
- sub_self_service_deleteboolean
  Whether members can cancel the subscription themselves.
- sub_self_service_add_fixed_pricenumber (float)
  Fixed price charged when members add the subscription themselves.
- sub_self_service_delete_fixed_pricenumber (float)
  Fixed price charged when members cancel the subscription themselves.
- … 24 more fields
… 15 more fields

Request

curl --request POST \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/employees \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'POST', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/employees', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/employees"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.post(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/employees', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Post,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/employees"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/employees")
  .post(null)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/employees"

	req, _ := http.NewRequest("POST", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with package:http (no controller in the iw_erp_api package)

import 'package:http/http.dart' as http;

final response = await http.post(
  Uri.parse('https://your-instance.iw-erp.de/api/crm/crmprojects/42/adds/employees'),
  headers: {'x-iw-jwt-token': '<TOKEN>'},
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "invoice_email": "lena.hartmann@example.org",
  "time_report_email": "lena.hartmann@example.org",
  "closed": "2026-10-15T09:30:00+02:00",
  "billed": "2026-10-15T09:30:00+02:00",
  "number": "string",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00"
}

Delete a Employee from a CRMProject

POST/api/crm/crmprojects/{id}/deletes/employees

Path parameters

idrequiredstring

Responses

200Delete an Employee from a CRMProjectCRMProject2

Show fields (14)

idinteger
Primary key of the project. Internal ID.
namestring
Name of the project.
closedstring (date-time)
Time the project was closed.
billedstring (date-time)
Time the project was billed.
numberstring
Number of the project.
startstring (date-time)
Start of the project.
endstring (date-time)
End of the project.
descriptionstring
Description of the project.
companyCRMCompany
Company the project belongs to.
Show fields (55)
- idinteger
  Primary key of the company. Internal ID.
- short_namestring
  Short name of the company.
- company_namestring
  Legal name of the company.
- secondary_namestring
  Second name line of the company.
- direct_dialstring
  Direct dial number of the company.
- invoice_emailstring
  E-mail address for invoices.
- send_invoice_emailboolean
  Send invoices by e-mail.
- send_invoice_letterboolean
  Send invoices by letter.
- time_report_emailstring
  E-mail address for time reports.
- payment_goalPaymentGoal
  Payment term of the company.
- payment_intervalstring
  Interval of the payments.
- vatidstring
  VAT identification number.
- taxnumberstring
  Tax number of the company.
- buyer_reference_idstring
  Leitweg-ID or custom reference ID defined by the customer
- taxTax
  Tax rate used for the company.
- infostring
  Information about the company.
- numberstring
  Customer or supplier number of the company.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Company number as text, including prefix.
- is_customerboolean
  The company is a customer.
- is_supplierboolean
  The company is a supplier.
- is_otherboolean
  The company is neither customer nor supplier.
- is_memberboolean
  The company is a member.
- archivedboolean
  The company is archived.
- categoryCRMCompanyCategory
  Category of the company.
- visible_for_customerboolean
  Whether the company is visible to the customer.
- founding_datestring (date-time)
  Founding date of the company.
- nace_sectionstring
  NACE section code (letter A-U)
- nace_codestring
  NACE code (numeric like 01.11, 62.01)
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- main_phonestring
  Main phone number.
- main_faxstring
  Main fax number.
- main_emailstring
  Main e-mail address.
- websitestring
  Website address.
- createdstring (date-time)
  Point in time the entity was created.
- updatedstring (date-time)
  Point in time the entity was last updated.
- payment_typePaymentType
- company_employee_countinteger
  Number of employees of the company.
- company_founding_yearinteger
  Founding year of the company.
- company_family_ownedboolean
  Whether the company is family-owned.
- company_sales_volumestring
  Sales volume of the company.
- company_segmentstring
  Market segment of the company.
main_contactsarray<CRMPerson10>
Main contact persons of the project.
Show fields (81)
- idinteger
  Primary key of the person. Internal ID.
- first_namestring
  First name of the person.
- last_namestring
  Last name of the person.
- numberinteger
  Member or customer number of the person.
- manual_numberinteger
  Number set manually instead of the automatic number.
- number_stringstring
  Member or customer number as text, including prefix.
- genderstring
  Gender of the person.
- titlestring
  Academic or other title of the person.
- positionstring
  Position or role of the person.
- languagestring
  Preferred language of the person.
- special_salutationstring
  Special salutation text for letters.
- form_of_salutationstring
  Form of salutation, for example formal or informal.
- birthdaystring (date-time)
  Birthday of the person.
- known_allergiesstring
  Known allergies of the person.
- confirmed_no_allergiesboolean
  Guardian confirmed that there are no known allergies.
- allow_photosboolean
  Photos of the person may be taken and published.
- allow_leaving_aloneboolean
  The person may leave the event alone.
- authorized_pickupstring
  Persons who are allowed to pick up the person.
- needs_supportboolean
  The person needs support, for example for inclusion.
- support_descriptionstring
  Description of the support the person needs.
- financial_supportboolean
  The person receives financial support.
- financial_support_numberstring
  Number of the financial support.
- municipal_supportboolean
  The person receives municipal support.
- municipal_support_numberstring
  Number of the municipal support.
- grade_levelinteger
  School grade level of the person.
- school_classstring
  School class of the person.
- start_timestring (date-time)
  Start of the membership or activity.
- start_time_reasonstring
  Reason for the start.
- end_timestring (date-time)
  End of the membership or activity.
- end_time_reasonstring
  Reason for the end.
- confirmed_gtc_timestring (date-time)
  Time the general terms and conditions were confirmed.
- chatbot_opt_inboolean
  Einwilligung in die Nutzung des KI-Assistenten. Denormalisierter aktueller Stand - das pruefbare Protokoll steht in ChatbotConsent.
- chatbot_opt_in_atstring (date-time)
  Time the person opted in to the chatbot.
- chatbot_opt_in_text_versionstring
  Version des Einwilligungstextes, dem zugestimmt wurde. Weicht sie von der aktuellen Version ab, ist das Opt-in abgelaufen.
- app_usage_statistics_opt_outboolean
  Widerspruch gegen die anonyme Nutzungsstatistik der Mitglieder-App. Die App liest ihn aus den StaticData und schickt dann nichts mehr; die gezaehlten Aufrufe selbst haben keinen Bezug zur Person.
- crm_person_contact_dataarray<CRMPersonContactData>
  Contact data of the person, for example phone and e-mail.
- archivedboolean
  Whether the person is archived.
- subscribed_newsletterboolean
  Whether the person subscribed to the newsletter.
- subscribed_magazineboolean
  Whether the person subscribed to the magazine.
- printed_member_cardboolean
  Whether a member card has been printed for the person.
- has_login_userboolean
  Whether the person has a login user.
- profile_picture_urlstring
  URL of the profile picture of the person.
- log_book_staffboolean
  Log book flag: staff.
- log_book_staff1boolean
  Log book flag: staff, level 1.
- log_book_staff2boolean
  Log book flag: staff, level 2.
- log_book_memberboolean
  Log book flag: member.
- log_book_trainerboolean
  Log book flag: trainer.
- log_book_trainer1boolean
  Log book flag: trainer, level 1.
- log_book_trainer2boolean
  Log book flag: trainer, level 2.
- log_book_head_of_departmentboolean
  Log book flag: head of department.
- log_book_supervisory_boardboolean
  Log book flag: supervisory board.
- log_book_board_of_directorsboolean
  Log book flag: board of directors.
- log_book_honorary_memberboolean
  Log book flag: honorary member.
- log_book_club_card_oneboolean
  Log book flag: club card.
- log_book_health_recoveredboolean
  Log book flag: recovered from illness.
- log_book_health_vaccinatedboolean
  Log book flag: vaccinated.
- log_book_health_vaccinated_additionstring
  Details of the vaccination.
- log_book_good_conductboolean
  Log book flag: certificate of good conduct.
- log_book_first_aidboolean
  Log book flag: first aid training.
- log_book_measles_vaccinationboolean
  Log book flag: measles vaccination.
- sync_lanistaboolean
  Whether the person is synchronized with Lanista.
- categoryCRMPersonCategory
  Person category.
- nicknamestring
  Nickname of the person.
- preferred_color_hexstring
  Preferred color of the person as hex value.
- avatar_tokenstring
  Token of the avatar image.
- search_stringstring
  Text that the entity can be searched by.
- addressstring
  Address as text.
- address_streetstring
  Street of the address.
- address_house_numberstring
  House number of the address.
- address_street_levelstring
  Street and house number of the address.
- address_costring
  Care-of line of the address.
- address_citystring
  City of the address.
- address_zipstring
  Postal code of the address.
- address_admin_level1string
  First administrative level of the address, e.g. the federal state.
- address_countrystring
  Country code of the address.
- address_full_countrystring
  Full name of the country of the address.
- address_geo_latstring
  Latitude of the address.
- address_geo_lngstring
  Longitude of the address.
- address_external_provider_idstring
  field to store the external provider id of the address. e.g. Google Maps PlaceID like google:ChIJVcKw5r90sEcRhdjNq6NItqE
- createdstring (date-time)
  Point in time the entity was created.
- … 2 more fields
internal_main_contactUser14
Internal login user who is the main contact.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
employeesarray<User14>
Employees who work on the project.
Show fields (10)
- idinteger
  Primary key of the user. Internal ID of the login user.
- namestring
  Display name of the user. Shown in the UI and in audit entries.
- usernamestring
  Login name of the user. Must be unique across all users.
- emailstring
  E-mail address of the user. Used for login notifications, password resets and as a login alias.
- positioningeneralstring
  Free text describing the position or role of the user.
- crm_personCRMPerson10
  CRM person linked to this login user. Connects the login account with the person record.
- profile_picture_urlstring
  URL of the profile picture of the user.
- archivedboolean
  Marks the user as archived. Archived users are kept for history and are not active.
- require2faboolean
  Two-factor authentication is required for this user.
- search_stringstring
  Text that the entity can be searched by.
itemsarray<CRMProjectItem3>
Items billed in the project.
Show fields (33)
- idinteger
  Primary key of the mapped billing item. Internal ID.
- namestringrequired
  Name of the billing item.
- descriptionstringrequired
  Description of the billing item shown to the customer.
- internal_descriptionstring
  Internal description of the billing item, not shown to the customer.
- fixed_hoursnumber (float)
  Fixed number of hours billed.
- fixed_pricenumber (float)
  Fixed price billed.
- fixed_price_base_unitnumber (float)
  Base unit for the fixed price.
- price_fixed_hoursnumber (float)
  Price for the fixed hours.
- price_additional_hoursnumber (float)
  Price for each additional hour.
- name_additional_hoursstring
  Name of the additional hours item.
- description_additional_hoursstring
  Description of the additional hours item.
- time_billed_on_ticket_closeboolean
  Whether the time is billed when the ticket is closed.
- billing_typeBillingItemType
  Billing item type.
- buying_pricenumber (float)
  Purchase price of the item.
- recurrenceCRMRecurrence
  Recurrence the billing item follows.
- deletedboolean
  Whether the billing item is deleted.
- condition_date_afterstring (date-time)
  The item applies only to dates after this date.
- condition_date_beforestring (date-time)
  The item applies only to dates before this date.
- condition_country_codestring
  Country code the item applies to.
- condition_zip_code_fromstring
  Start of the postal code range the item applies to.
- condition_zip_code_tostring
  End of the postal code range the item applies to.
- condition_time_after_hourinteger
  The item applies only after this hour of the day.
- condition_max_lengthinteger
  Maximum length the item applies to.
- condition_time_before_hourinteger
  The item applies only before this hour of the day.
- condition_sub_access_tagAccessTag
  Access tag a subscription must have for the item to apply.
- condition_show_despite_missing_access_tagboolean
  Whether the item is shown even if the access tag is missing.
- condition_sub_free_logicstring
  Free-form condition logic for the subscription.
- fixed_price_logicstring
  Free-form logic that calculates the fixed price.
- sub_self_service_addboolean
  Whether members can add the subscription themselves.
- sub_self_service_deleteboolean
  Whether members can cancel the subscription themselves.
- sub_self_service_add_fixed_pricenumber (float)
  Fixed price charged when members add the subscription themselves.
- sub_self_service_delete_fixed_pricenumber (float)
  Fixed price charged when members cancel the subscription themselves.
- … 24 more fields
… 15 more fields

Request

curl --request POST \
  --url https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/employees \
  --header 'x-iw-jwt-token: <TOKEN>'

const options = {method: 'POST', headers: {'x-iw-jwt-token': '<TOKEN>'}};

fetch('https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/employees', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/employees"

headers = {"x-iw-jwt-token": "<TOKEN>"}

response = requests.post(url, headers=headers)

print(response.text)

<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/employees', [
  'headers' => [
    'x-iw-jwt-token' => '<TOKEN>',
  ],
]);

echo $response->getBody();

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
{
  Method = HttpMethod.Post,
  RequestUri = new Uri("https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/employees"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/employees")
  .post(null)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .build();

Response response = client.newCall(request).execute();

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/employees"

	req, _ := http.NewRequest("POST", url, nil)

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

Dart with package:http (no controller in the iw_erp_api package)

import 'package:http/http.dart' as http;

final response = await http.post(
  Uri.parse('https://your-instance.iw-erp.de/api/crm/crmprojects/42/deletes/employees'),
  headers: {'x-iw-jwt-token': '<TOKEN>'},
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "description": "Text",
  "invoice_email": "lena.hartmann@example.org",
  "time_report_email": "lena.hartmann@example.org",
  "closed": "2026-10-15T09:30:00+02:00",
  "billed": "2026-10-15T09:30:00+02:00",
  "number": "string",
  "start": "2026-10-15T09:30:00+02:00",
  "end": "2026-10-15T09:30:00+02:00"
}