---
updatedAt: 2026-04-23T04:17:15.000Z
agentTools:
  projectIndex: https://docs.vopay.com/llms.txt
---

# rtr/withdraw/transaction/request-cancellation

This endpoint allows you to attempt to cancel an in progress Vopay Instant transaction. Note that the cancellation request will fail if the recipient has already deposited the funds.

# OpenAPI definition

```json
{
  "openapi": "3.0.0",
  "info": {
    "version": "2.0",
    "title": "Payment Rails",
    "description": "The Payment Rails API allows you to manage transactions in your account. You can cancel transactions, refund transactions, and confirm flagged transactions.",
    "contact": {
      "name": "API Support",
      "email": "help@vopay.com"
    }
  },
  "paths": {
    "/rtr/withdraw/transaction/request-cancellation": {
      "post": {
        "description": "This endpoint allows you to attempt to cancel an in progress Vopay Instant transaction. Note that the cancellation request will fail if the recipient has already deposited the funds.",
        "summary": "rtr/withdraw/transaction/request-cancellation",
        "tags": [
          "Vopay Instant Endpoints"
        ],
        "operationId": "RTRTransactionsCancelPost",
        "deprecated": false,
        "requestBody": {
          "$ref": "#/components/requestBodies/InteracMoneyRequestTransactionsCancelPost"
        },
        "responses": {
          "200": {
            "description": "",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "Success": {
                      "type": "boolean",
                      "description": "True if the request was successful, false if it failed",
                      "example": true
                    },
                    "ErrorMessage": {
                      "type": "string",
                      "description": "Contains a description of the error if the request failed",
                      "example": ""
                    },
                    "TransactionID": {
                      "type": "integer",
                      "description": "The unique ID for the transaction",
                      "example": "1124"
                    },
                    "TransactionStatus": {
                      "type": "string",
                      "description": "A message indicating the current transaction status - cancellation requested",
                      "example": "cancellation requested"
                    },
                    "Timestamp": {
                      "type": "string",
                      "format": "date-time",
                      "description": "The timestamp when the transaction status was last modified",
                      "example": "2022-11-26 12:00:00"
                    }
                  },
                  "required": [
                    "Success",
                    "ErrorMessage",
                    "TransactionID",
                    "TransactionStatus",
                    "Timestamp"
                  ]
                }
              }
            }
          }
        }
      }
    }
  },
  "servers": [
    {
      "url": "https://earthnode-dev.vopay.com/api/v2"
    }
  ],
  "components": {
    "requestBodies": {
      "InteracMoneyRequestTransactionsCancelPost": {
        "content": {
          "application/x-www-form-urlencoded": {
            "schema": {
              "type": "object",
              "properties": {
                "AccountID": {
                  "description": "Your account ID",
                  "type": "string"
                },
                "Key": {
                  "description": "API key for the account",
                  "type": "string"
                },
                "Signature": {
                  "description": "Hashed signature for the request",
                  "type": "string"
                },
                "TransactionID": {
                  "description": "The unique ID for the transaction",
                  "type": "string"
                }
              },
              "required": [
                "AccountID",
                "Key",
                "Signature",
                "TransactionID"
              ]
            }
          }
        },
        "required": true
      }
    }
  }
}
```