---
updatedAt: 2025-11-11T00:09:31.000Z
agentTools:
  projectIndex: https://docs.interswitchgroup.com/v1.1/llms.txt
---

# Capture [Dual Messaging]

# OpenAPI definition

```json
{
  "openapi": "3.1.0",
  "info": {
    "title": "accept-payments-new",
    "version": "1.1"
  },
  "servers": [
    {
      "url": "https://qa.interswitchng.com"
    }
  ],
  "security": [
    {}
  ],
  "paths": {
    "/collections/api/v3/purchases/capture": {
      "post": {
        "summary": "Capture [Dual Messaging]",
        "description": "",
        "operationId": "capture",
        "parameters": [
          {
            "name": "Authorization",
            "in": "header",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": [
                  "transactionRef",
                  "requestRef",
                  "amount"
                ],
                "properties": {
                  "transactionRef": {
                    "type": "string",
                    "default": "capturePurchase1"
                  },
                  "requestRef": {
                    "type": "string",
                    "default": "aaaa1223"
                  },
                  "amount": {
                    "type": "string",
                    "default": "300.50"
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "200",
            "content": {
              "application/json": {
                "examples": {
                  "Result": {
                    "value": "{}"
                  }
                },
                "schema": {
                  "type": "object",
                  "properties": {}
                }
              }
            }
          },
          "400": {
            "description": "400",
            "content": {
              "application/json": {
                "examples": {
                  "Result": {
                    "value": "{}"
                  }
                },
                "schema": {
                  "type": "object",
                  "properties": {}
                }
              }
            }
          }
        },
        "deprecated": false,
        "security": []
      }
    }
  },
  "x-readme": {
    "headers": [],
    "explorer-enabled": true,
    "proxy-enabled": true
  },
  "x-readme-fauxas": true
}
```