openapi: 3.1.0
info:
  title: HMRC VAT (Making Tax Digital) Liabilities Payments API
  description: The HMRC VAT Making Tax Digital (MTD) API enables VAT-registered businesses and agents to submit VAT returns, view VAT obligations, liabilities, and payments, in compliance with UK Making Tax Digital requirements. Requires OAuth 2.0 authentication and mandatory fraud prevention headers on all requests.
  version: 1.0.0
  contact:
    name: HMRC Developer Hub
    url: https://developer.service.hmrc.gov.uk/
  license:
    name: Open Government Licence v3.0
    url: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/
servers:
- url: https://api.service.hmrc.gov.uk
  description: HMRC Production API
- url: https://test-api.service.hmrc.gov.uk
  description: HMRC Sandbox (test) environment
security:
- OAuth2UserRestricted: []
tags:
- name: Payments
  description: VAT payments made to HMRC
paths:
  /organisations/vat/{vrn}/payments:
    get:
      operationId: getVatPayments
      summary: Retrieve VAT payments
      description: Retrieves a list of VAT payments made by the business to HMRC within the specified date range.
      tags:
      - Payments
      parameters:
      - name: vrn
        in: path
        required: true
        schema:
          type: string
          pattern: ^\d{9}$
      - name: from
        in: query
        required: true
        schema:
          type: string
          format: date
      - name: to
        in: query
        required: true
        schema:
          type: string
          format: date
      - name: Authorization
        in: header
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Payment list returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PaymentsResponse'
        '404':
          description: No payments found
components:
  schemas:
    PaymentsResponse:
      type: object
      properties:
        payments:
          type: array
          items:
            $ref: '#/components/schemas/VatPayment'
    VatPayment:
      type: object
      properties:
        amount:
          type: number
          description: Payment amount in GBP
        received:
          type: string
          format: date
          description: Date payment received by HMRC
  securitySchemes:
    OAuth2UserRestricted:
      type: oauth2
      description: HMRC OAuth 2.0 Authorization Code grant (user-restricted)
      flows:
        authorizationCode:
          authorizationUrl: https://api.service.hmrc.gov.uk/oauth/authorize
          tokenUrl: https://api.service.hmrc.gov.uk/oauth/token
          scopes:
            write:vat: Submit VAT returns
            read:vat: Read VAT data
externalDocs:
  description: HMRC VAT API Documentation
  url: https://developer.service.hmrc.gov.uk/api-documentation/docs/api/service/vat-api/1.0