lexoffice

lexoffice Payments API

Payment status for a voucher and payment conditions.

Documentation GitHub OpenAPI

Operations 2

GET /payments/{voucherId} Retrieve payment status for a voucher #

GET /payment-conditions List payment conditions #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: lexoffice (lexware Office) Public Payments 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: Payments
  description: Payment status for a voucher and payment conditions.
paths:
  /payments/{voucherId}:
    parameters:
    - name: voucherId
      in: path
      required: true
      description: The UUID of the voucher whose payment status is requested.
      schema:
        type: string
        format: uuid
    get:
      operationId: getPayments
      tags:
      - Payments
      summary: Retrieve payment status for a voucher
      description: Returns the open amount, payment status, and recorded payment items for a given voucher (invoice, credit note, etc.).
      responses:
        '200':
          description: Payment status for the voucher.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Payments'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /payment-conditions:
    get:
      operationId: listPaymentConditions
      tags:
      - Payments
      summary: List payment conditions
      description: Returns the payment conditions (terms and cash discounts) configured in the account.
      responses:
        '200':
          description: A list of payment conditions.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/PaymentCondition'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  responses:
    NotFound:
      description: The requested resource was not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Missing or invalid Bearer API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  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
    Payments:
      type: object
      properties:
        openAmount:
          type: number
        currency:
          type: string
          example: EUR
        paymentStatus:
          type: string
          enum:
          - open
          - unpaid
          - paidoff
          - voided
        voucherType:
          type: string
        voucherStatus:
          type: string
        paidDate:
          type: string
          format: date-time
        paymentItems:
          type: array
          items:
            type: object
            properties:
              amount:
                type: number
              currency:
                type: string
              paymentItemType:
                type: string
              postingDate:
                type: string
                format: date-time
    PaymentCondition:
      type: object
      properties:
        id:
          type: string
          format: uuid
        paymentTermLabel:
          type: string
        paymentTermDuration:
          type: integer
        paymentDiscountConditions:
          type: object
          properties:
            discountPercentage:
              type: number
            discountRange:
              type: integer
        organizationDefault:
          type: boolean
  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`.'