openapi: 3.0.3
info:
  title: bexio Accounting Sales Orders API
  description: REST API for bexio, the Swiss cloud business-management platform (accounting, invoicing, contacts, projects, payroll). All endpoints are served over HTTPS under https://api.bexio.com/2.0. JSON is the data-interchange format. Authentication is OAuth 2.0 Authorization Code (OpenID Connect) or a Personal Access Token (PAT); both are presented as a Bearer token. This document is modeled from the public documentation, not a first-party spec.
  termsOfService: https://www.bexio.com/en-CH/gtc
  contact:
    name: bexio Developer Support
    url: https://developer.bexio.com/
  version: '2.0'
servers:
- url: https://api.bexio.com/2.0
  description: bexio API v2.0 (Switzerland)
security:
- bearerAuth: []
tags:
- name: Sales Orders
paths:
  /kb_offer:
    get:
      operationId: listOffers
      tags:
      - Sales Orders
      summary: List quotes (Offerten)
      description: Sales quotes / offers. Local term Offerte (EN gloss quote).
      parameters:
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Offset'
      responses:
        '200':
          description: A list of quotes.
    post:
      operationId: createOffer
      tags:
      - Sales Orders
      summary: Create a quote (Offerte)
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SalesDocument'
      responses:
        '201':
          description: The created quote.
  /kb_order:
    get:
      operationId: listOrders
      tags:
      - Sales Orders
      summary: List orders (Auftraege)
      responses:
        '200':
          description: A list of orders.
    post:
      operationId: createOrder
      tags:
      - Sales Orders
      summary: Create an order (Auftrag)
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SalesDocument'
      responses:
        '201':
          description: The created order.
  /kb_invoice:
    get:
      operationId: listInvoices
      tags:
      - Sales Orders
      summary: List invoices (Rechnungen)
      parameters:
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Offset'
      responses:
        '200':
          description: A list of invoices.
    post:
      operationId: createInvoice
      tags:
      - Sales Orders
      summary: Create an invoice (Rechnung)
      description: Creates a customer invoice. bexio can render the invoice as a Swiss QR-bill (QR-Rechnung) PDF with an embedded Swiss QR code for payment.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SalesDocument'
      responses:
        '201':
          description: The created invoice.
  /kb_invoice/{id}:
    parameters:
    - $ref: '#/components/parameters/Id'
    get:
      operationId: getInvoice
      tags:
      - Sales Orders
      summary: Fetch an invoice
      responses:
        '200':
          description: A single invoice.
  /kb_invoice/{id}/pdf:
    parameters:
    - $ref: '#/components/parameters/Id'
    get:
      operationId: getInvoicePdf
      tags:
      - Sales Orders
      summary: Download an invoice PDF (QR-bill)
      responses:
        '200':
          description: The invoice document, base64-encoded PDF.
components:
  parameters:
    Offset:
      name: offset
      in: query
      required: false
      schema:
        type: integer
        default: 0
    Id:
      name: id
      in: path
      required: true
      schema:
        type: integer
    Limit:
      name: limit
      in: query
      required: false
      description: Page size. Default 500, maximum 2000.
      schema:
        type: integer
        default: 500
        maximum: 2000
  schemas:
    SalesDocument:
      type: object
      properties:
        id:
          type: integer
        document_nr:
          type: string
        title:
          type: string
        contact_id:
          type: integer
        currency_id:
          type: integer
        total:
          type: string
        total_gross:
          type: string
        mwst_type:
          type: integer
          description: VAT (MWST) handling mode.
        positions:
          type: array
          items:
            type: object
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: 'OAuth 2.0 Authorization Code (OpenID Connect, issuer https://auth.bexio.com/realms/bexio) access token, or a Personal Access Token (PAT), presented as an Authorization: Bearer header.'