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OpenAPI Specification

openapi: 3.2.0
info:
  title: Fiserv CardPointe Gateway Capture API
  description: The CardPointe Gateway API provides a RESTful interface for integrating secure tokenization, payment processing, and reporting features into applications and websites. The API supports authorization, capture, void, refund, and inquiry operations, as well as customer profile management for storing payment credentials securely.
  version: 1.0.0
  contact:
    name: Fiserv Developer Support
    url: https://developer.fiserv.com/product/CardPointe
  termsOfService: https://www.fiserv.com/en/legal.html
servers:
- url: https://{site}-uat.cardconnect.com/cardconnect/rest
  description: UAT Environment
  variables:
    site:
      default: fts
      description: The site name provided during onboarding.
- url: https://{site}.cardconnect.com/cardconnect/rest
  description: Production Environment
  variables:
    site:
      default: fts
      description: The site name provided during onboarding.
security:
- basicAuth: []
tags:
- name: Capture
  description: Capture previously authorized transactions for settlement.
paths:
  /capture:
    put:
      operationId: captureTransaction
      summary: Fiserv Capture an authorized transaction
      description: Captures a previously authorized transaction for settlement. The capture amount can be less than or equal to the original authorization amount.
      tags:
      - Capture
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CaptureRequest'
      responses:
        '200':
          description: Capture processed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CaptureResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    ErrorResponse:
      type: object
      description: Error response payload.
      properties:
        respstat:
          type: string
          description: The response status (C for declined/error).
        respcode:
          type: string
          description: The error response code.
        resptext:
          type: string
          description: A human-readable error message.
    CaptureResponse:
      type: object
      description: Capture response payload.
      properties:
        merchid:
          type: string
          description: The merchant identifier.
        retref:
          type: string
          description: The retrieval reference number.
        amount:
          type: string
          description: The captured amount.
        setlstat:
          type: string
          description: The settlement status.
        respcode:
          type: string
          description: The response code.
        resptext:
          type: string
          description: The response text.
    CaptureRequest:
      type: object
      description: Capture request payload.
      required:
      - merchid
      - retref
      properties:
        merchid:
          type: string
          description: The CardPointe merchant ID.
        retref:
          type: string
          description: The retrieval reference number of the authorization.
        amount:
          type: string
          description: The capture amount. If omitted, the full authorization amount is captured.
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic authentication using the CardPointe Gateway credentials.
externalDocs:
  description: CardPointe Gateway API Documentation
  url: https://developer.fiserv.com/product/CardPointe/docs/?path=docs%2FAPIs%2FCardPointeGatewayAPI.md