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OpenAPI Specification

openapi: 3.2.0
info:
  title: Sage Accounting Bank Accounts Payments API
  description: 'Sage Accounting API (v3.1) is a RESTful web service that connects software to Sage''s cloud accounting platform. Supports Sage Business Cloud Accounting and Sage Business Cloud Start products. Covers contacts, sales and purchase invoices, payments, bank accounts, ledger accounts, products/services, and financial reporting. Uses OAuth 2.0 for authentication. Rate limits apply: 1,296,000 daily requests, 150 concurrent, 100 per minute per company.'
  version: 3.1.0
  contact:
    name: Sage Developer Support
    url: https://developer.sage.com/support/
  license:
    name: Sage Developer Agreement
    url: https://developer.sage.com/
servers:
- url: https://api.accounting.sage.com/v3.1
  description: Sage Accounting API v3.1
security:
- OAuth2: []
tags:
- name: Payments
  description: Customer and supplier payment recording
paths:
  /sales_invoices/{key}/payments:
    post:
      operationId: recordSalesPayment
      summary: Record Sales Payment
      description: Records a payment received for a sales invoice.
      tags:
      - Payments
      parameters:
      - name: key
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PaymentRequest'
      responses:
        '201':
          description: Payment recorded
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Payment'
  /purchase_invoices/{key}/payments:
    post:
      operationId: recordPurchasePayment
      summary: Record Purchase Payment
      description: Records a payment made for a purchase invoice.
      tags:
      - Payments
      parameters:
      - name: key
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PaymentRequest'
      responses:
        '201':
          description: Payment recorded
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Payment'
components:
  schemas:
    Payment:
      type: object
      properties:
        id:
          type: string
        date:
          type: string
          format: date
        amount:
          type: number
        reference:
          type: string
        bank_account:
          $ref: '#/components/schemas/BankAccountRef'
    PaymentRequest:
      type: object
      properties:
        payment:
          type: object
          required:
          - payment_type_id
          - bank_account_id
          - date
          - amount
          properties:
            payment_type_id:
              type: string
              enum:
              - PAYMENT
              - CREDIT
            bank_account_id:
              type: string
            date:
              type: string
              format: date
            amount:
              type: number
              format: double
            reference:
              type: string
    BankAccountRef:
      type: object
      properties:
        id:
          type: string
        displayed_as:
          type: string
  securitySchemes:
    OAuth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://www.sageone.com/oauth2/auth
          tokenUrl: https://oauth.accounting.sage.com/token
          scopes:
            full_access: Full read/write access to all accounting data
            readonly: Read-only access to accounting data