mutation ReverseTransaction($reverseTransactionInput: ReverseTransactionInput!) {
  reverseTransaction(reverseTransactionInput: $reverseTransactionInput) {
    errors {
      ... on InternalServiceError {
        dateTimeUtc
        errorDateTime
        message
        processorResponseCode
        transactionId
      }
      ... on RuleInViolationError {
        advice
        dateTimeUtc
        errorDateTime
        explanationOfRule
        message
      }
      ... on SyntaxOnNetworkResponseError {
        attemptedNetwork
        dateTimeUtc
        errorDateTime
        message
        processorResponseCode
      }
      ... on TimeoutOnNetworkResponseError {
        attemptedNetwork
        dateTimeUtc
        errorDateTime
        message
        processorResponseCode
      }
      ... on ValidationFailureError {
        dateTimeUtc
        errorDateTime
        fieldName
        fieldPath
        message
      }
      ... on PriorTransactionNotFoundError {
        dateTimeUtc
        errorDateTime
        message
        processorResponseCode
        transactionId
      }
    }
    reverseTransactionResponse {
      activityDate
      cardDetails {
        last4
        paymentBrand
      }
      duration
      isDuplicateRequest
      message
      networkResponseDetails {
        networkResponseCode
        processorResponseCode
      }
      paymentId
      processorResponseCode
      sanitizedFields {
        fieldName
        fieldPath
        originalValue
        reason
        sanitizedValue
      }
      timestampUtc
      tokenDetails {
        token
        tokenizedPan
      }
      transactionId
    }
  }
}

{
  "reverseTransactionInput": {
    "acceptorId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
    "transactionId": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
    "transactionReference": "example"
  }
}

curl --request POST \
  --url https://api.sandbox.com/graphql \
  --header 'Content-Type: application/json' \
  --header 'Authorization: Bearer <YOUR_ACCESS_TOKEN>' \
  --data '{
  "query": "mutation ReverseTransaction($reverseTransactionInput: ReverseTransactionInput!) {\n  reverseTransaction(reverseTransactionInput: $reverseTransactionInput) {\n    errors {\n      ... on InternalServiceError {\n        dateTimeUtc\n        errorDateTime\n        message\n        processorResponseCode\n        transactionId\n      }\n      ... on RuleInViolationError {\n        advice\n        dateTimeUtc\n        errorDateTime\n        explanationOfRule\n        message\n      }\n      ... on SyntaxOnNetworkResponseError {\n        attemptedNetwork\n        dateTimeUtc\n        errorDateTime\n        message\n        processorResponseCode\n      }\n      ... on TimeoutOnNetworkResponseError {\n        attemptedNetwork\n        dateTimeUtc\n        errorDateTime\n        message\n        processorResponseCode\n      }\n      ... on ValidationFailureError {\n        dateTimeUtc\n        errorDateTime\n        fieldName\n        fieldPath\n        message\n      }\n      ... on PriorTransactionNotFoundError {\n        dateTimeUtc\n        errorDateTime\n        message\n        processorResponseCode\n        transactionId\n      }\n    }\n    reverseTransactionResponse {\n      activityDate\n      cardDetails {\n        last4\n        paymentBrand\n      }\n      duration\n      isDuplicateRequest\n      message\n      networkResponseDetails {\n        networkResponseCode\n        processorResponseCode\n      }\n      paymentId\n      processorResponseCode\n      sanitizedFields {\n        fieldName\n        fieldPath\n        originalValue\n        reason\n        sanitizedValue\n      }\n      timestampUtc\n      tokenDetails {\n        token\n        tokenizedPan\n      }\n      transactionId\n    }\n  }\n}",
  "variables": {
    "reverseTransactionInput": {
      "acceptorId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
      "transactionId": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
      "transactionReference": "example"
    }
  }
}'

{
  "data": {
    "reverseTransaction": {
      "errors": [
        {
          "__typename": "InternalServiceError",
          "dateTimeUtc": "2026-01-15T14:30:00Z",
          "errorDateTime": "2026-01-15T14:30:00Z",
          "message": "example",
          "processorResponseCode": "A0000",
          "transactionId": "c9a1e2d3-4b5f-6789-0abc-def123456789"
        }
      ],
      "reverseTransactionResponse": {
        "activityDate": "2026-01-15",
        "cardDetails": {
          "last4": "1234",
          "paymentBrand": "VISA"
        },
        "duration": 0,
        "isDuplicateRequest": true,
        "message": "example",
        "networkResponseDetails": {
          "networkResponseCode": "example",
          "processorResponseCode": "A0000"
        },
        "paymentId": "d8b2f3e4-5c6a-7890-1bcd-ef2345678901",
        "processorResponseCode": "A0000",
        "sanitizedFields": [
          {
            "fieldName": "example",
            "fieldPath": "example",
            "originalValue": "example",
            "reason": "example",
            "sanitizedValue": "example"
          }
        ],
        "timestampUtc": "2026-01-15T14:30:00Z",
        "tokenDetails": {
          "token": "example",
          "tokenizedPan": "example"
        },
        "transactionId": "e7c3a4b5-6d7e-8901-2cde-f34567890123"
      }
    }
  }
}