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API reference

Every endpoint of the vynst (inwendo ERP) REST API, generated from the OpenAPI description. Each resource has its own page with parameters, responses and code samples.

1,879 endpoints in 296 resourcesVersion 2026101021OpenAPI (English) ↓OpenAPI (German) ↓

Login and sessions

Email login, API access tokens (JWT), social login, OAuth clients and users.

All 16 resources · 65 Endpoints

Accounting

Bookkeeping, cash accounting report, cash book, incoming invoices, bank transactions and HBCI, VAT, fixed assets, travel expenses and inventory.

All 22 resources · 189 Endpoints

Billing

Invoices, offers, vouchers, donations, payments and payment providers.

All 28 resources · 179 Endpoints

Chat and notifications

Chat rooms, messages, chatbot, push and mass notifications.

All 19 resources · 96 Endpoints

CRM

People, accounts and companies, departments, general meetings, categories and tags.

All 23 resources · 143 Endpoints

Customer portal

Member self-service: own data, membership, balance, donations.

All 9 resources · 56 Endpoints

Events

Events, sign-ups, event tickets, trials, invitations, kiosk, moments and timing.

All 35 resources · 232 Endpoints

Locations and bookings

Locations, rooms and objects, location plans, bookings, booking groups, loans, maintenance and external displays.

All 19 resources · 139 Endpoints

Media

News, questionnaires, feedback, social posts, files and help articles.

All 26 resources · 212 Endpoints

Open data

Public endpoints without login: calendar, geocoding, IBAN, NACE codes.

All 6 resources · 20 Endpoints

Smart home and automation

Home Assistant, smart locks, webhooks, Node-RED, n8n and telephony.

All 9 resources · 64 Endpoints

Staff

Work time, leave and absences, shift plans, employment contracts, organisation and employee documents.

All 30 resources · 175 Endpoints

Studio training

Training plans, devices, exercises, sessions, measurements and challenges in the studio.

All 15 resources · 105 Endpoints

System and settings

Settings, access tags, imports, app menus, templates, attachments, server management and other areas.

All 23 resources · 82 Endpoints

Tickets and projects

Support and task tickets, comments, sprints, projects and project items.

All 6 resources · 46 Endpoints

Trainers

Trainer contracts, trainer qualifications, trainer hours and their billing.

All 4 resources · 36 Endpoints

Volunteering

Volunteer hours, required hours, settlements, volunteer shifts and assignments.

All 6 resources · 40 Endpoints

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