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OpenAPI Specification

openapi: 3.0.0
info:
  title: TRADING Account Checkout Refund API
  version: 1.0.0
  description: API reference for Account management — Coins.ph
servers:
- url: https://api.pro.coins.ph
  description: Production
- url: https://api.9001.pl-qa.coinsxyz.me
  description: Sandbox
tags:
- name: Checkout Refund
  description: Checkout refund operations
paths:
  /openapi/fiat/v1/checkout/refund:
    post:
      tags:
      - Checkout Refund
      summary: Checkout Refund
      description: 'This Endpoint allows Merchants to initiate a refund for a Checkout transaction.


        **Webhook:** ✅ Supported (requires Coins'' configuration)'
      operationId: checkoutRefund
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - requestId
              - checkoutId
              - amount
              - currency
              - reason
              - method
              properties:
                requestId:
                  type: string
                  minLength: 1
                  maxLength: 64
                  description: Unique Merchant refund request identifier (idempotency key).
                  example: REQ123456789
                checkoutId:
                  type: string
                  minLength: 1
                  maxLength: 64
                  description: Original Checkout order ID to refund.
                  example: CHK20240101000001
                amount:
                  type: string
                  minLength: 1
                  maxLength: 64
                  description: Refund amount. Must be a valid decimal with up to 2 decimal places.
                  example: '100.00'
                currency:
                  type: string
                  minLength: 1
                  maxLength: 64
                  description: Currency code.
                  example: PHP
                reason:
                  type: string
                  minLength: 1
                  maxLength: 200
                  description: Reason for refund.
                  example: Customer requested refund
                method:
                  type: string
                  enum:
                  - '1'
                  description: Refund method. "1" = original route.
                  example: '1'
            example:
              requestId: REQ123456789
              checkoutId: CHK20240101000001
              amount: '100.00'
              currency: PHP
              reason: Customer requested refund
              method: '1'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: integer
                    description: 0 = success, non-zero = error code.
                    example: 0
                  data:
                    $ref: '#/components/schemas/CheckoutRefundData'
              example:
                status: 0
                data:
                  refundId: RFD987654321
                  checkoutId: CHK20240101000001
                  requestId: REQ123456789
                  amount: '100.00'
                  currency: PHP
                  status: PROCESSING
                  refundReferenceId: RREF202401150001
                  paymentReferenceId: PREF202401100001
                  completedAt: null
                  createdAt: '2024-01-15T10:30:00Z'
      parameters:
      - name: recvWindow
        in: query
        required: false
        schema:
          type: integer
          format: int64
        description: Validity duration of the request in milliseconds after the timestamp.
  /openapi/fiat/v1/checkout/refund/status-check:
    get:
      tags:
      - Checkout Refund
      summary: Refund Status Check
      description: This Endpoint allows Merchants to query the status of a Checkout refund by either `refundId` or `requestId`. At least one of the two must be provided.
      operationId: checkoutRefundStatusCheck
      parameters:
      - name: refundId
        in: query
        required: false
        schema:
          type: string
          minLength: 1
          maxLength: 64
        description: Coins-generated refund ID. At least one of `refundId` or `requestId` must be provided.
        example: RFD987654321
      - name: requestId
        in: query
        required: false
        schema:
          type: string
          minLength: 1
          maxLength: 64
        description: Merchant refund request ID (idempotency key). At least one of `refundId` or `requestId` must be provided.
        example: REQ123456789
      - name: recvWindow
        in: query
        required: false
        schema:
          type: integer
          format: int64
        description: Validity duration of the request in milliseconds after the timestamp.
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: integer
                    description: 0 = success, non-zero = error code.
                    example: 0
                  data:
                    $ref: '#/components/schemas/CheckoutRefundData'
              example:
                status: 0
                data:
                  refundId: RFD987654321
                  checkoutId: CHK20240101000001
                  requestId: REQ123456789
                  amount: '100.00'
                  currency: PHP
                  status: SUCCESS
                  refundReferenceId: RREF202401150001
                  paymentReferenceId: PREF202401100001
                  completedAt: '2024-01-15T11:00:00Z'
                  createdAt: '2024-01-15T10:30:00Z'
components:
  schemas:
    CheckoutRefundData:
      type: object
      properties:
        refundId:
          type: string
          description: Coins-generated refund ID.
          example: RFD987654321
        checkoutId:
          type: string
          description: The original Checkout order ID.
          example: CHK20240101000001
        requestId:
          type: string
          description: Merchant refund request ID.
          example: REQ123456789
        amount:
          type: string
          description: Refund amount.
          example: '100.00'
        currency:
          type: string
          description: Refund currency.
          example: PHP
        status:
          type: string
          description: Refund status.
          example: PROCESSING
        refundReferenceId:
          type: string
          description: Coins-generated refund reference ID.
          example: RREF202401150001
        paymentReferenceId:
          type: string
          description: Original payment reference ID.
          example: PREF202401100001
        completedAt:
          type: string
          nullable: true
          description: Refund completion time.
          example: '2024-01-15T11:00:00Z'
        createdAt:
          type: string
          description: Refund creation time.
          example: '2024-01-15T10:30:00Z'
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-COINS-APIKEY
x-readme:
  proxy-enabled: false