BillingPayoutAccount

Billing5 EndpointsBilling / BillingPayoutAccount

This method will get all BillingPayoutAccount Objects

GET/api/invoice/billing_payout_account

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 BillingPayoutAccount objectsarray<BillingPayoutAccount>

Show fields (12)

idinteger
Primary key of the payout account. Internal ID.
deletedboolean
This property is used to mark an entity as deleted / archived
createdstring (date-time)
Point in time the entity was created.
updatedstring (date-time)
Point in time the entity was last updated.
namestring
Name of the entity.
payment_ownerstring
Account owner of the direct debit.
payment_institutionstring
Name of the bank of the direct debit.
payment_bicstring
BIC of the bank account.
payment_ibanstring
IBAN of the bank account.
payment_mandatestring
Reference of the SEPA mandate.
payment_mandate_sign_datestring (date-time)
Date the SEPA mandate was signed.
payment_mandate_valid_until_datestring (date-time)
Date until which the SEPA mandate is valid.

Request

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

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

fetch('https://your-instance.iw-erp.de/api/invoice/billing_payout_account', 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/invoice/billing_payout_account"

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/invoice/billing_payout_account', [
  '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/invoice/billing_payout_account"),
  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/invoice/billing_payout_account")
  .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/invoice/billing_payout_account"

	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/billing_payout_account_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 BillingPayoutAccountController.getAll();
if (result.success) {
  print(result.data);
}

Response 200 application/json

[
  {
    "id": 42,
    "name": "Beispiel",
    "payment_bic": "BYLADEM1001",
    "payment_iban": "DE02120300000000202051",
    "deleted": true,
    "created": "2026-10-15T09:30:00+02:00",
    "updated": "2026-10-15T09:30:00+02:00",
    "payment_owner": "string",
    "payment_institution": "string",
    "payment_mandate": "2026-10-15T09:30:00+02:00"
  }
]

Add a new BillingPayoutAccount

POST/api/invoice/billing_payout_account

Request body application/json

dataBillingPayoutAccount2
Show fields (8)
- deletedboolean
  This property is used to mark an entity as deleted / archived
- payment_ownerstring
  Account owner of the direct debit.
- payment_institutionstring
  Name of the bank of the direct debit.
- payment_bicstring
  BIC of the bank account.
- payment_ibanstring
  IBAN of the bank account.
- payment_mandatestring
  Reference of the SEPA mandate.
- payment_mandate_sign_datestring (date-time)
  Date the SEPA mandate was signed.
- payment_mandate_valid_until_datestring (date-time)
  Date until which the SEPA mandate is valid.

Responses

200Add a new BillingPayoutAccountBillingPayoutAccount

Show fields (12)

idinteger
Primary key of the payout account. Internal ID.
deletedboolean
This property is used to mark an entity as deleted / archived
createdstring (date-time)
Point in time the entity was created.
updatedstring (date-time)
Point in time the entity was last updated.
namestring
Name of the entity.
payment_ownerstring
Account owner of the direct debit.
payment_institutionstring
Name of the bank of the direct debit.
payment_bicstring
BIC of the bank account.
payment_ibanstring
IBAN of the bank account.
payment_mandatestring
Reference of the SEPA mandate.
payment_mandate_sign_datestring (date-time)
Date the SEPA mandate was signed.
payment_mandate_valid_until_datestring (date-time)
Date until which the SEPA mandate is valid.

Request

curl --request POST \
  --url https://your-instance.iw-erp.de/api/invoice/billing_payout_account \
  --header 'content-type: application/json' \
  --header 'x-iw-jwt-token: <TOKEN>' \
  --data '
{
  "data": {
    "payment_bic": "BYLADEM1001",
    "payment_iban": "DE02120300000000202051",
    "deleted": true,
    "payment_owner": "string",
    "payment_institution": "string",
    "payment_mandate": "2026-10-15T09:30:00+02:00"
  }
}
'

const options = {
  method: 'POST',
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: JSON.stringify({
    data: {
      payment_bic: 'BYLADEM1001',
      payment_iban: 'DE02120300000000202051',
      deleted: true,
      payment_owner: 'string',
      payment_institution: 'string',
      payment_mandate: '2026-10-15T09:30:00+02:00'
    }
  })
};

fetch('https://your-instance.iw-erp.de/api/invoice/billing_payout_account', 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/invoice/billing_payout_account"

payload = { "data": {
    "payment_bic": "BYLADEM1001",
    "payment_iban": "DE02120300000000202051",
    "deleted": True,
    "payment_owner": "string",
    "payment_institution": "string",
    "payment_mandate": "2026-10-15T09:30:00+02:00"
  } }
headers = {
  "x-iw-jwt-token": "<TOKEN>",
  "content-type": "application/json"
}

response = requests.post(url, json=payload, 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/invoice/billing_payout_account', [
  'body' => '{"data":{"payment_bic":"BYLADEM1001","payment_iban":"DE02120300000000202051","deleted":true,"payment_owner":"string","payment_institution":"string","payment_mandate":"2026-10-15T09:30:00+02:00"}}',
  'headers' => [
    'content-type' => 'application/json',
    '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/invoice/billing_payout_account"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
  Content = new StringContent("{\"data\":{\"payment_bic\":\"BYLADEM1001\",\"payment_iban\":\"DE02120300000000202051\",\"deleted\":true,\"payment_owner\":\"string\",\"payment_institution\":\"string\",\"payment_mandate\":\"2026-10-15T09:30:00+02:00\"}}")
  {
    Headers =
    {
      ContentType = new MediaTypeHeaderValue("application/json")
    }
  }
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, "{\"data\":{\"payment_bic\":\"BYLADEM1001\",\"payment_iban\":\"DE02120300000000202051\",\"deleted\":true,\"payment_owner\":\"string\",\"payment_institution\":\"string\",\"payment_mandate\":\"2026-10-15T09:30:00+02:00\"}}");
Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/invoice/billing_payout_account")
  .post(body)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .addHeader("content-type", "application/json")
  .build();

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

package main

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

func main() {

	url := "https://your-instance.iw-erp.de/api/invoice/billing_payout_account"

	payload := strings.NewReader("{\"data\":{\"payment_bic\":\"BYLADEM1001\",\"payment_iban\":\"DE02120300000000202051\",\"deleted\":true,\"payment_owner\":\"string\",\"payment_institution\":\"string\",\"payment_mandate\":\"2026-10-15T09:30:00+02:00\"}}")

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

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")
	req.Header.Add("content-type", "application/json")

	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/billing_payout_account_controller.dart';
import 'package:iw_erp_api/logic/iw_api_state.dart';
import 'package:iw_erp_api/model/billing_payout_account.dart';

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

final result = await BillingPayoutAccountController.post(BillingPayoutAccount.fromJson({
  "payment_bic": "BYLADEM1001",
  "payment_iban": "DE02120300000000202051",
  "deleted": true,
  "payment_owner": "string",
  "payment_institution": "string",
  "payment_mandate": "2026-10-15T09:30:00+02:00"
}));
if (result.success) {
  print(result.data);
}

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "payment_bic": "BYLADEM1001",
  "payment_iban": "DE02120300000000202051",
  "deleted": true,
  "created": "2026-10-15T09:30:00+02:00",
  "updated": "2026-10-15T09:30:00+02:00",
  "payment_owner": "string",
  "payment_institution": "string",
  "payment_mandate": "2026-10-15T09:30:00+02:00"
}

This method will get a single BillingPayoutAccount with the given id

GET/api/invoice/billing_payout_account/{identifier}

Path parameters

identifierrequiredstring

Responses

200Returns a single BillingPayoutAccountBillingPayoutAccount

Show fields (12)

idinteger
Primary key of the payout account. Internal ID.
deletedboolean
This property is used to mark an entity as deleted / archived
createdstring (date-time)
Point in time the entity was created.
updatedstring (date-time)
Point in time the entity was last updated.
namestring
Name of the entity.
payment_ownerstring
Account owner of the direct debit.
payment_institutionstring
Name of the bank of the direct debit.
payment_bicstring
BIC of the bank account.
payment_ibanstring
IBAN of the bank account.
payment_mandatestring
Reference of the SEPA mandate.
payment_mandate_sign_datestring (date-time)
Date the SEPA mandate was signed.
payment_mandate_valid_until_datestring (date-time)
Date until which the SEPA mandate is valid.

Request

curl --request GET \
  --url https://your-instance.iw-erp.de/api/invoice/billing_payout_account/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/invoice/billing_payout_account/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/invoice/billing_payout_account/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/invoice/billing_payout_account/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/invoice/billing_payout_account/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/invoice/billing_payout_account/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/invoice/billing_payout_account/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/billing_payout_account_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 BillingPayoutAccountController.get('42');
if (result.success) {
  print(result.data);
}

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "payment_bic": "BYLADEM1001",
  "payment_iban": "DE02120300000000202051",
  "deleted": true,
  "created": "2026-10-15T09:30:00+02:00",
  "updated": "2026-10-15T09:30:00+02:00",
  "payment_owner": "string",
  "payment_institution": "string",
  "payment_mandate": "2026-10-15T09:30:00+02:00"
}

Update a BillingPayoutAccount

PUT/api/invoice/billing_payout_account/{identifier}

Path parameters

identifierrequiredstring

Request body application/json

dataBillingPayoutAccount2
Show fields (8)
- deletedboolean
  This property is used to mark an entity as deleted / archived
- payment_ownerstring
  Account owner of the direct debit.
- payment_institutionstring
  Name of the bank of the direct debit.
- payment_bicstring
  BIC of the bank account.
- payment_ibanstring
  IBAN of the bank account.
- payment_mandatestring
  Reference of the SEPA mandate.
- payment_mandate_sign_datestring (date-time)
  Date the SEPA mandate was signed.
- payment_mandate_valid_until_datestring (date-time)
  Date until which the SEPA mandate is valid.

Responses

200Update a BillingPayoutAccountBillingPayoutAccount

Show fields (12)

idinteger
Primary key of the payout account. Internal ID.
deletedboolean
This property is used to mark an entity as deleted / archived
createdstring (date-time)
Point in time the entity was created.
updatedstring (date-time)
Point in time the entity was last updated.
namestring
Name of the entity.
payment_ownerstring
Account owner of the direct debit.
payment_institutionstring
Name of the bank of the direct debit.
payment_bicstring
BIC of the bank account.
payment_ibanstring
IBAN of the bank account.
payment_mandatestring
Reference of the SEPA mandate.
payment_mandate_sign_datestring (date-time)
Date the SEPA mandate was signed.
payment_mandate_valid_until_datestring (date-time)
Date until which the SEPA mandate is valid.

Request

curl --request PUT \
  --url https://your-instance.iw-erp.de/api/invoice/billing_payout_account/42 \
  --header 'content-type: application/json' \
  --header 'x-iw-jwt-token: <TOKEN>' \
  --data '
{
  "data": {
    "payment_bic": "BYLADEM1001",
    "payment_iban": "DE02120300000000202051",
    "deleted": true,
    "payment_owner": "string",
    "payment_institution": "string",
    "payment_mandate": "2026-10-15T09:30:00+02:00"
  }
}
'

const options = {
  method: 'PUT',
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: JSON.stringify({
    data: {
      payment_bic: 'BYLADEM1001',
      payment_iban: 'DE02120300000000202051',
      deleted: true,
      payment_owner: 'string',
      payment_institution: 'string',
      payment_mandate: '2026-10-15T09:30:00+02:00'
    }
  })
};

fetch('https://your-instance.iw-erp.de/api/invoice/billing_payout_account/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/invoice/billing_payout_account/42"

payload = { "data": {
    "payment_bic": "BYLADEM1001",
    "payment_iban": "DE02120300000000202051",
    "deleted": True,
    "payment_owner": "string",
    "payment_institution": "string",
    "payment_mandate": "2026-10-15T09:30:00+02:00"
  } }
headers = {
  "x-iw-jwt-token": "<TOKEN>",
  "content-type": "application/json"
}

response = requests.put(url, json=payload, 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/invoice/billing_payout_account/42', [
  'body' => '{"data":{"payment_bic":"BYLADEM1001","payment_iban":"DE02120300000000202051","deleted":true,"payment_owner":"string","payment_institution":"string","payment_mandate":"2026-10-15T09:30:00+02:00"}}',
  'headers' => [
    'content-type' => 'application/json',
    '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/invoice/billing_payout_account/42"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
  Content = new StringContent("{\"data\":{\"payment_bic\":\"BYLADEM1001\",\"payment_iban\":\"DE02120300000000202051\",\"deleted\":true,\"payment_owner\":\"string\",\"payment_institution\":\"string\",\"payment_mandate\":\"2026-10-15T09:30:00+02:00\"}}")
  {
    Headers =
    {
      ContentType = new MediaTypeHeaderValue("application/json")
    }
  }
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, "{\"data\":{\"payment_bic\":\"BYLADEM1001\",\"payment_iban\":\"DE02120300000000202051\",\"deleted\":true,\"payment_owner\":\"string\",\"payment_institution\":\"string\",\"payment_mandate\":\"2026-10-15T09:30:00+02:00\"}}");
Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/invoice/billing_payout_account/42")
  .put(body)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .addHeader("content-type", "application/json")
  .build();

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

package main

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

func main() {

	url := "https://your-instance.iw-erp.de/api/invoice/billing_payout_account/42"

	payload := strings.NewReader("{\"data\":{\"payment_bic\":\"BYLADEM1001\",\"payment_iban\":\"DE02120300000000202051\",\"deleted\":true,\"payment_owner\":\"string\",\"payment_institution\":\"string\",\"payment_mandate\":\"2026-10-15T09:30:00+02:00\"}}")

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

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")
	req.Header.Add("content-type", "application/json")

	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/billing_payout_account_controller.dart';
import 'package:iw_erp_api/logic/iw_api_state.dart';
import 'package:iw_erp_api/model/billing_payout_account.dart';

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

final result = await BillingPayoutAccountController.put(BillingPayoutAccount.fromJson({
  "payment_bic": "BYLADEM1001",
  "payment_iban": "DE02120300000000202051",
  "deleted": true,
  "payment_owner": "string",
  "payment_institution": "string",
  "payment_mandate": "2026-10-15T09:30:00+02:00"
}));
if (result.success) {
  print(result.data);
}

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "payment_bic": "BYLADEM1001",
  "payment_iban": "DE02120300000000202051",
  "deleted": true,
  "created": "2026-10-15T09:30:00+02:00",
  "updated": "2026-10-15T09:30:00+02:00",
  "payment_owner": "string",
  "payment_institution": "string",
  "payment_mandate": "2026-10-15T09:30:00+02:00"
}

Update a BillingPayoutAccount

PATCH/api/invoice/billing_payout_account/{identifier}

Path parameters

identifierrequiredstring

Request body application/json

dataBillingPayoutAccount2
Show fields (8)
- deletedboolean
  This property is used to mark an entity as deleted / archived
- payment_ownerstring
  Account owner of the direct debit.
- payment_institutionstring
  Name of the bank of the direct debit.
- payment_bicstring
  BIC of the bank account.
- payment_ibanstring
  IBAN of the bank account.
- payment_mandatestring
  Reference of the SEPA mandate.
- payment_mandate_sign_datestring (date-time)
  Date the SEPA mandate was signed.
- payment_mandate_valid_until_datestring (date-time)
  Date until which the SEPA mandate is valid.

Responses

200Update a BillingPayoutAccountBillingPayoutAccount

Show fields (12)

idinteger
Primary key of the payout account. Internal ID.
deletedboolean
This property is used to mark an entity as deleted / archived
createdstring (date-time)
Point in time the entity was created.
updatedstring (date-time)
Point in time the entity was last updated.
namestring
Name of the entity.
payment_ownerstring
Account owner of the direct debit.
payment_institutionstring
Name of the bank of the direct debit.
payment_bicstring
BIC of the bank account.
payment_ibanstring
IBAN of the bank account.
payment_mandatestring
Reference of the SEPA mandate.
payment_mandate_sign_datestring (date-time)
Date the SEPA mandate was signed.
payment_mandate_valid_until_datestring (date-time)
Date until which the SEPA mandate is valid.

Request

curl --request PATCH \
  --url https://your-instance.iw-erp.de/api/invoice/billing_payout_account/42 \
  --header 'content-type: application/json' \
  --header 'x-iw-jwt-token: <TOKEN>' \
  --data '
{
  "data": {
    "payment_bic": "BYLADEM1001",
    "payment_iban": "DE02120300000000202051",
    "deleted": true,
    "payment_owner": "string",
    "payment_institution": "string",
    "payment_mandate": "2026-10-15T09:30:00+02:00"
  }
}
'

const options = {
  method: 'PATCH',
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: JSON.stringify({
    data: {
      payment_bic: 'BYLADEM1001',
      payment_iban: 'DE02120300000000202051',
      deleted: true,
      payment_owner: 'string',
      payment_institution: 'string',
      payment_mandate: '2026-10-15T09:30:00+02:00'
    }
  })
};

fetch('https://your-instance.iw-erp.de/api/invoice/billing_payout_account/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/invoice/billing_payout_account/42"

payload = { "data": {
    "payment_bic": "BYLADEM1001",
    "payment_iban": "DE02120300000000202051",
    "deleted": True,
    "payment_owner": "string",
    "payment_institution": "string",
    "payment_mandate": "2026-10-15T09:30:00+02:00"
  } }
headers = {
  "x-iw-jwt-token": "<TOKEN>",
  "content-type": "application/json"
}

response = requests.patch(url, json=payload, 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/invoice/billing_payout_account/42', [
  'body' => '{"data":{"payment_bic":"BYLADEM1001","payment_iban":"DE02120300000000202051","deleted":true,"payment_owner":"string","payment_institution":"string","payment_mandate":"2026-10-15T09:30:00+02:00"}}',
  'headers' => [
    'content-type' => 'application/json',
    '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/invoice/billing_payout_account/42"),
  Headers =
  {
    { "x-iw-jwt-token", "<TOKEN>" },
  },
  Content = new StringContent("{\"data\":{\"payment_bic\":\"BYLADEM1001\",\"payment_iban\":\"DE02120300000000202051\",\"deleted\":true,\"payment_owner\":\"string\",\"payment_institution\":\"string\",\"payment_mandate\":\"2026-10-15T09:30:00+02:00\"}}")
  {
    Headers =
    {
      ContentType = new MediaTypeHeaderValue("application/json")
    }
  }
};
using (var response = await client.SendAsync(request))
{
  response.EnsureSuccessStatusCode();
  var body = await response.Content.ReadAsStringAsync();
  Console.WriteLine(body);
}

OkHttpClient client = new OkHttpClient();

MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, "{\"data\":{\"payment_bic\":\"BYLADEM1001\",\"payment_iban\":\"DE02120300000000202051\",\"deleted\":true,\"payment_owner\":\"string\",\"payment_institution\":\"string\",\"payment_mandate\":\"2026-10-15T09:30:00+02:00\"}}");
Request request = new Request.Builder()
  .url("https://your-instance.iw-erp.de/api/invoice/billing_payout_account/42")
  .patch(body)
  .addHeader("x-iw-jwt-token", "<TOKEN>")
  .addHeader("content-type", "application/json")
  .build();

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

package main

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

func main() {

	url := "https://your-instance.iw-erp.de/api/invoice/billing_payout_account/42"

	payload := strings.NewReader("{\"data\":{\"payment_bic\":\"BYLADEM1001\",\"payment_iban\":\"DE02120300000000202051\",\"deleted\":true,\"payment_owner\":\"string\",\"payment_institution\":\"string\",\"payment_mandate\":\"2026-10-15T09:30:00+02:00\"}}")

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

	req.Header.Add("x-iw-jwt-token", "<TOKEN>")
	req.Header.Add("content-type", "application/json")

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

final response = await http.patch(
  Uri.parse('https://your-instance.iw-erp.de/api/invoice/billing_payout_account/42'),
  headers: {'x-iw-jwt-token': '<TOKEN>', 'content-type': 'application/json'},
  body: jsonEncode({
    "data": {
      "payment_bic": "BYLADEM1001",
      "payment_iban": "DE02120300000000202051",
      "deleted": true,
      "payment_owner": "string",
      "payment_institution": "string",
      "payment_mandate": "2026-10-15T09:30:00+02:00"
    }
  }),
);
print(response.body);

Response 200 application/json

{
  "id": 42,
  "name": "Beispiel",
  "payment_bic": "BYLADEM1001",
  "payment_iban": "DE02120300000000202051",
  "deleted": true,
  "created": "2026-10-15T09:30:00+02:00",
  "updated": "2026-10-15T09:30:00+02:00",
  "payment_owner": "string",
  "payment_institution": "string",
  "payment_mandate": "2026-10-15T09:30:00+02:00"
}