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OpenAPI Specification

openapi: 3.2.0
info:
  title: Antifraud Access Refund Services API
  description: Antifraud services
  license:
    name: Apache License Version 2.0
    url: http://www.apache.org/licenses/LICENSE-2.0.html
  version: '2.0'
servers:
- url: https://api-sandbox.koin.com.br
  description: Sandbox domain url
tags:
- name: Refund Services
paths:
  /v1/payment/orders/{order_id}/refund:
    put:
      tags:
      - Refund Services
      summary: Create Refund
      description: Service responsible for requesting the return of an approved payment. The refund may be total or partial.
      operationId: createRefundPUTbyOrderId
      parameters:
      - in: path
        name: order_id
        description: Order ID returned by create payment service
        schema:
          type: string
        example: 9dd3f765-a51a-49d8-b6af-a51d5a0b3f7f
        required: true
      - name: Content-Type
        in: header
        example: application/json
        description: The Media type of the body of the request. Default value for payment provider protocol is application/json
        schema:
          type: string
        required: true
      - name: Accept
        in: header
        example: application/json
        description: Media type(s) that is/are acceptable for the response. Default value for payment provider protocol is application/json
        schema:
          type: string
        required: true
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RefundRequest'
            examples:
              Create refund example:
                value:
                  transaction:
                    reference_id: REF0000001
                  amount:
                    currency_code: BRL
                    value: 100
      responses:
        '200':
          description: Create refund response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RefundResponse'
              examples:
                Successful refund:
                  value:
                    refund_id: 6efddc33-c023-24b9-a3f3-d6ca6087f2b0
                    amount:
                      currency_code: BRL
                      value: 111.11
                    status:
                      type: Refunded
                      date: '2022-02-10T17:54:48.304Z'
                Error:
                  $ref: '#/components/examples/UnknownError'
                R02 Error:
                  value:
                    code: R02
                    message: Payment not found
                R03 Error:
                  value:
                    code: R03
                    message: Refund Denied
                R04 Error:
                  value:
                    code: R04
                    message: The return currency does not match the original payment currency
                R05 Error:
                  value:
                    code: R05
                    message: The payment is not collected
                R06 Error:
                  value:
                    code: R06
                    message: The amount you are trying to return exceeds the total amount returned
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              examples:
                Validation failed:
                  value:
                    code: 400
                    message: Validation failed
                    causes:
                    - amount.currency_code is not a supported ISO 4217 currency code
        '404':
          description: Not Found
        '500':
          description: Internal Server Error
  /v1/payment/orders/{order_id}/refunds/{refund_id}:
    get:
      tags:
      - Refund Services
      summary: Get Refund
      description: Service to get a previously generated refund.
      operationId: consultRefundGET
      parameters:
      - in: path
        name: order_id
        description: Order ID returned by create payment service
        example: 455e9a73-37f6-464c-b09c-334545
        schema:
          type: string
        required: true
      - in: path
        name: refund_id
        description: Refund ID returned by create refund service
        example: 455e9a73-37f6-464c-b09c-9c0048fdafef
        schema:
          type: string
        required: true
      - name: Content-Type
        in: header
        example: application/json
        description: The Media type of the body of the request. Default value for payment provider protocol is application/json
        schema:
          type: string
        required: true
      - name: Accept
        in: header
        example: application/json
        description: Media type(s) that is/are acceptable for the response. Default value for payment provider protocol is application/json
        schema:
          type: string
        required: true
      responses:
        '200':
          description: Refund information
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetRefundResponse'
              examples:
                Refund:
                  value:
                    amount:
                      value: 100
                      currency_code: BRL
                    status:
                      type: Refunded
                      date: '2021-01-01T10:22:27.000Z'
                    order_id: 9dd3f765-a51a-49d8-b6af-a51d5a0b3f7f
        '404':
          description: Not Found
        '500':
          description: Internal Server Error
components:
  schemas:
    ErrorResponse:
      title: Error Response
      type: object
      properties:
        code:
          type: string
          description: Standardized error code.
        message:
          type: string
          description: Error message.
        causes:
          type: array
          description: List of error causes.
          items:
            type: string
    GetRefundResponse:
      title: Get Refund Response
      required:
      - amount
      - status
      - order_id
      type: object
      properties:
        amount:
          type: object
          required:
          - currency_code
          - value
          properties:
            currency_code:
              type: string
              pattern: '[A-Z]{3}'
              description: Currency code (ISO 4217)
              example: BRL
            value:
              type: number
              pattern: d{1,10}.d{2}
              description: Refund amount (cannot exceed the payment amount)
              example: 100.56
        status:
          type: object
          required:
          - type
          - date
          properties:
            type:
              type: string
              description: Refund status
              enum:
              - InProgress
              - Refunded
              - Failed
            date:
              type: string
              format: date-time
              description: Status change date (ISO 8601 date format)
        order_id:
          type: string
          description: Order ID returned by create payment service
          example: 9dd3f765-a51a-49d8-b6af-a51d5a0b3f7f
        code:
          type: string
          description: Standardized error code (applies only for error cases)
        message:
          type: string
          description: Message associated with the error code (applies only for error cases)
    RefundRequest:
      title: Refund Request
      required:
      - amount
      type: object
      properties:
        transaction:
          type: object
          required:
          - reference_id
          properties:
            reference_id:
              type: string
              pattern: utf-8
              description: Refund identifier, generated by client. (Maximum of 50 characters - Unique per refund). Used as idempotence.
              example: REF0000001
        amount:
          type: object
          required:
          - value
          - currency_code
          properties:
            currency_code:
              type: string
              pattern: '[A-Z]{3}'
              description: Currency Code (ISO 4217)
              example: BRL
            value:
              type: number
              pattern: d{1,10}.d{2}
              description: Refund amount (cannot exceed the payment amount)
              example: 1500.56
    RefundResponse:
      title: Refund Response
      required:
      - refund_id
      - amount
      - status
      type: object
      properties:
        refund_id:
          type: string
          description: Refund ID returned by create refund service
          example: 455e9a73-37f6-464c-b09c-9c0048fdafef
        amount:
          type: object
          required:
          - currency_code
          - value
          properties:
            currency_code:
              type: string
              pattern: '[A-Z]{3}'
              description: Currency code (ISO 4217)
              example: BRL
            value:
              type: number
              pattern: d{1,10}.d{2}
              description: Refund amount (cannot exceed the payment amount)
              example: 1500.56
        status:
          type: object
          required:
          - type
          - date
          properties:
            type:
              type: string
              description: Refund status
              enum:
              - InProgress
              - Refunded
              - Failed
            date:
              type: string
              format: date-time
              description: Status change date (ISO 8601 date format)
        code:
          type: string
          description: Standardized error code (applies only for error cases)
        message:
          type: string
          description: Message associated with the error code (applies only for error cases)
  examples:
    UnknownError:
      value:
        code: '01'
        message: Error unknown