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REST Example: Cancel Transaction {#sis-pymnt-svcs-cloud-cancel-txn-api-ex-rest}
===============================================================================

Request

```
{
    "serialNumber": "1850000000",
    "request": {
        "type": "CancelRequest"
    }
}
```

Response to a Successful Request

```
{
      "type" : "PaymentResponse",
      "message" : "Payment aborted",
      "transactionDetails" : {
        "id" : "b6522aeb9d8d49b386f7c67852581145",
        "merchantReferenceCode" : "50c86aaa02ed4c0bb4b4b596379713f7",
        "submitTimeUtc" : "2023-12-01T20:30:05+0000",
        "captured" : false,
        "amountDetails" : {
          "currency" : "GBP",
          "amount" : "1.00",
          "capturedAmount" : "0.00",
          "refundableAmount" : "0.00"
        }
      },
      "processingDetails" : {
        "status" : "ABORTED",
        "verificationMethod" : "UNKNOWN",
        "entryMode" : "NFC_ICC",
        "card" : {
          "expirationMonth" : "00",
          "expirationYear" : "00",
          "type" : "UNKNOWN",
          "maskedPan" : ""
        }
      },
      "linkedOperations" : [ ],
      "receipts" : {
        "merchantReceipt" : {
          "preformattedReceipt" : "Merchant Receipt\nCP Test\nSample Street\nUB3 2EA London\nUnited Kingdom\n1234567\n\nSale\n£1.00\n\n\nCanceled transaction.\n\n\nEntry Mode: Contactless\nAID: NULL\n\n\nb6522aeb9d8d49b386f7c67852581145\n21:30:05: 01/12/2023\n\n\n",
          "receiptData" : {
            "lines" : {
              "MERCHANT_DETAILS_PUBLIC_NAME" : {
                "label" : "Name",
                "value" : "CP Test"
              },
              "MERCHANT_DETAILS_ADDRESS" : {
                "label" : "Address",
                "value" : "Sample Street"
              },
              "MERCHANT_DETAILS_ZIP" : {
                "label" : "Zip",
                "value" : "UB3 2EA"
              },
              "MERCHANT_DETAILS_CITY" : {
                "label" : "City",
                "value" : "London"
              },
              "MERCHANT_DETAILS_COUNTRY" : {
                "label" : "Country",
                "value" : "United Kingdom"
              },
              "MERCHANT_DETAILS_CONTACT" : {
                "label" : "Contact",
                "value" : "1234567"
              },
              "MERCHANT_DETAILS_ADDITIONAL_INFORMATION" : {
                "label" : "Additional Information",
                "value" : ""
              },
              "PAYMENT_DETAILS_EMV_APPLICATION_ID" : {
                "label" : "AID",
                "value" : "NULL"
              },
              "PAYMENT_DETAILS_SOURCE" : {
                "label" : "Entry Mode",
                "value" : "Contactless"
              },
              "RECEIPT_TYPE" : {
                "label" : "Receipt Type",
                "value" : "Merchant Receipt"
              },
              "TRANSACTION_TYPE" : {
                "label" : "Type",
                "value" : "Sale"
              },
              "SUBJECT" : {
                "label" : "Description",
                "value" : ""
              },
              "IDENTIFIER" : {
                "label" : "PWID",
                "value" : "b6522aeb9d8d49b386f7c67852581145"
              },
              "AMOUNT_AND_CURRENCY" : {
                "label" : "Amount",
                "value" : "£1.00"
              },
              "DATE" : {
                "label" : "Date",
                "value" : "01/12/2023"
              },
              "TIME" : {
                "label" : "Time",
                "value" : "21:30:05"
              },
              "STATUS_TEXT" : {
                "label" : "Information",
                "value" : "Canceled transaction."
              }
            },
            "signatureLineRequired" : false
          }
        },
        "customerReceipt" : {
          "preformattedReceipt" : "Cardholder Receipt\nCP Test\nSample Street\nUB3 2EA London\nUnited Kingdom\n1234567\n\nSale\n£1.00\n\n\nCanceled transaction.\n\n\nEntry Mode: Contactless\nAID: NULL\n\n\nb6522aeb9d8d49b386f7c67852581145\n21:30:05: 01/12/2023\n\n\n",
          "receiptData" : {
            "lines" : {
              "MERCHANT_DETAILS_PUBLIC_NAME" : {
                "label" : "Name",
                "value" : "CP Test"
              },
              "MERCHANT_DETAILS_ADDRESS" : {
                "label" : "Address",
                "value" : "Sample Street"
              },
              "MERCHANT_DETAILS_ZIP" : {
                "label" : "Zip",
                "value" : "UB3 2EA"
              },
              "MERCHANT_DETAILS_CITY" : {
                "label" : "City",
                "value" : "London"
              },
              "MERCHANT_DETAILS_COUNTRY" : {
                "label" : "Country",
                "value" : "United Kingdom"
              },
              "MERCHANT_DETAILS_CONTACT" : {
                "label" : "Contact",
                "value" : "1234567"
              },
              "MERCHANT_DETAILS_ADDITIONAL_INFORMATION" : {
                "label" : "Additional Information",
                "value" : ""
              },
              "PAYMENT_DETAILS_EMV_APPLICATION_ID" : {
                "label" : "AID",
                "value" : "NULL"
              },
              "PAYMENT_DETAILS_SOURCE" : {
                "label" : "Entry Mode",
                "value" : "Contactless"
              },
              "RECEIPT_TYPE" : {
                "label" : "Receipt Type",
                "value" : "Cardholder Receipt"
              },
              "TRANSACTION_TYPE" : {
                "label" : "Type",
                "value" : "Sale"
              },
              "SUBJECT" : {
                "label" : "Description",
                "value" : ""
              },
              "IDENTIFIER" : {
                "label" : "PWID",
                "value" : "b6522aeb9d8d49b386f7c67852581145"
              },
              "AMOUNT_AND_CURRENCY" : {
                "label" : "Amount",
                "value" : "£1.00"
              },
              "DATE" : {
                "label" : "Date",
                "value" : "01/12/2023"
              },
              "TIME" : {
                "label" : "Time",
                "value" : "21:30:05"
              },
              "STATUS_TEXT" : {
                "label" : "Information",
                "value" : "Canceled transaction."
              }
            },
            "signatureLineRequired" : false
          }
        }
      }
}
```

Response to an Unsuccessful Request  
When the request is unsuccessful, you receive an error response with details.

```
{
      "type": "ErrorResponse",
      "message": "Error message to display.",
      "developerDescription": "Detailed description of error."
    }
```

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