lexoffice

lexoffice Event Subscriptions API

Webhook subscriptions for change events.

Documentation GitHub OpenAPI

Operations 4

GET /event-subscriptions List event subscriptions #

POST /event-subscriptions Create an event subscription #

GET /event-subscriptions/{id} Retrieve an event subscription #

DELETE /event-subscriptions/{id} Delete an event subscription #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: lexoffice (lexware Office) Public Event Subscriptions API
  description: Public REST API for lexoffice, the German cloud accounting and invoicing SaaS from Lexware (Haufe Group), rebranded to "lexware Office" in 2025.
  version: '1.0'
  contact:
    name: lexware Office Developers
    url: https://developers.lexware.io/docs/
  license:
    name: Proprietary
    url: https://www.lexware.de/
servers:
- url: https://api.lexware.io/v1
  description: Lexware API gateway (current)
- url: https://api.lexoffice.io/v1
  description: Legacy lexoffice API gateway (retired end of 2025)
security:
- bearerAuth: []
tags:
- name: Event Subscriptions
  description: Webhook subscriptions for change events.
paths:
  /event-subscriptions:
    get:
      operationId: listEventSubscriptions
      tags:
      - Event Subscriptions
      summary: List event subscriptions
      responses:
        '200':
          description: A list of event subscriptions.
          content:
            application/json:
              schema:
                type: object
                properties:
                  content:
                    type: array
                    items:
                      $ref: '#/components/schemas/EventSubscription'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createEventSubscription
      tags:
      - Event Subscriptions
      summary: Create an event subscription
      description: Registers an HTTPS callback URL for an event type. lexoffice POSTs a webhook payload to the callback URL when a matching event fires.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EventSubscriptionInput'
      responses:
        '200':
          description: The created event subscription.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EventSubscription'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /event-subscriptions/{id}:
    parameters:
    - $ref: '#/components/parameters/Id'
    get:
      operationId: getEventSubscription
      tags:
      - Event Subscriptions
      summary: Retrieve an event subscription
      responses:
        '200':
          description: The requested event subscription.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EventSubscription'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteEventSubscription
      tags:
      - Event Subscriptions
      summary: Delete an event subscription
      responses:
        '204':
          description: The subscription was deleted.
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    Error:
      type: object
      properties:
        timestamp:
          type: string
          format: date-time
        status:
          type: integer
        error:
          type: string
        path:
          type: string
        message:
          type: string
        details:
          type: array
          items:
            type: object
            properties:
              violation:
                type: string
              field:
                type: string
              message:
                type: string
    EventSubscriptionInput:
      type: object
      required:
      - eventType
      - callbackUrl
      properties:
        eventType:
          type: string
          description: The event to subscribe to, e.g. contact.created, contact.changed, invoice.created, invoice.status.changed, voucher.created.
          example: invoice.created
        callbackUrl:
          type: string
          format: uri
          description: HTTPS URL that lexoffice POSTs the webhook payload to.
    EventSubscription:
      allOf:
      - $ref: '#/components/schemas/EventSubscriptionInput'
      - type: object
        properties:
          subscriptionId:
            type: string
            format: uuid
          organizationId:
            type: string
            format: uuid
          createdDate:
            type: string
            format: date-time
  responses:
    NotFound:
      description: The requested resource was not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: The request payload failed validation.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing or invalid Bearer API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  parameters:
    Id:
      name: id
      in: path
      required: true
      description: The UUID of the resource.
      schema:
        type: string
        format: uuid
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'Bearer API key generated by the account owner at https://app.lexware.de/addons/public-api and passed as `Authorization: Bearer YOUR_API_KEY`.'