openapi: 3.2.0
info:
  description: To register services and activate services content tokens
  version: v1.0
  title: Customer Billing Token Refund API
servers:
- url: https://api.mtn.com/v1/customer
security:
- ApiKeyAuth: []
- OAuth2: []
tags:
- name: Refund
paths:
  /bill/refund:
    post:
      tags:
      - Refund
      summary: Refund Token Service
      description: Refund token request is used to refund subscribers which were succesfully billed for DCB and Adhoc tokens. A debitNotidication with billed subscriber account balance details is required for a refund to be processed.
      parameters:
      - name: targetSystem
        in: query
        required: true
        schema:
          type: string
          enum:
          - Pantheon
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/refundResponse'
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Customer not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '405':
          description: Method Not allowed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/refundRequest'
        required: true
components:
  schemas:
    refundResponse:
      type: object
      properties:
        statusCode:
          type: string
        statusMessage:
          type: string
        supportMessage:
          type: string
        transactionId:
          type: string
        data:
          type: object
          properties:
            msn:
              type: string
    refundRequest:
      type: object
      properties:
        transactionId:
          type: string
          description: Transaction id returned by the provider system.
        originalPaymentRef:
          type: string
          minLength: 16
          maxLength: 64
          description: The MSN associated with the debitToken request that this refund is for
          example: '5115314911297401'
        originalDateTime:
          type: string
          minLength: 20
          maxLength: 20
          description: Date and Time the debit occured in the format 'YYYY-MM-DDTHh:Mm:SsZ' or 'YYYY-MM-DD Hh:Mm:SS'.
          example: '2020-01-01 12:12:12'
        totalAmount:
          type: integer
          minimum: 0
          maximum: 999999
          description: This is the total transaction amount
          example: 1000
        contentToken:
          type: string
          minLength: 16
          maxLength: 96
          description: Token generated to be used for identifying the service for activation, billing, cancellation and refund.
          example: 81B27C92607C6D47274C2859CF51B954A4EE99DFCC7DD89066F6CD41D74A10CE23CCD7C8A32B73DEDC0F2470B703F058
        contractingPartnerId:
          type: string
          minLength: 9
          maxLength: 9
          description: Contracting Partner Identifier as supplied by MTN Digital Department.
          example: '911844857'
        platformPartnerId:
          type: string
          minLength: 9
          maxLength: 9
          description: Platform Partner Identifier.
          example: '911844857'
        refundType:
          type: string
          description: The type of refund that is being initiated by the carrier. This will help MTN to differentiate a partial and a full refund
          enum:
          - Partial
          - Full
        currency:
          type: string
          description: The currency for the transaction. This value can be hardcoded to "RANDS".
    Error:
      type: object
      title: Error
      required:
      - status
      - message
      properties:
        statusCode:
          type: string
          description: Status code returned by provider system
        statusMessage:
          type: string
          description: Status description
        supportMessage:
          type: string
          description: More error details and corrective measures
        path:
          type: string
          description: The path that caused the error
        timestamp:
          type: string
          format: date-time
          description: Time stamp of the error
        transactionId:
          type: string
          description: Transaction id returned by the provider system.
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      name: X-API-Key
      in: header
    OAuth2:
      type: oauth2
      flows:
        clientCredentials:
          scopes: {}
          tokenUrl: https://api.mtn.com/v1/oauth/access_token