Processing an Incremental Authorization

This section describes how to process an incremental authorization in Local mode. This type of request can be made on a pre-authorization transaction to increase the authorized amount before it is captured.

Endpoints

The endpoint is the same for the test and production environments.
Test:
wss://{terminal IP address:port number}/
Production:
wss://{terminal IP address:port number}/

Required Fields for Processing an Incremental Authorization

type
Set this field to
IncrementalAuthorizationRequest
.
transactionId
Set this field to the
id
field value from the original transaction.
amountDetails.amount
Set this field to the transaction amount.
amountDetails.currency
Set this field to the currency code.

REST Example: Processing an Incremental Authorization

Request
{ "type": "IncrementalAuthorizationRequest", "transactionId": "e43069fbf85543659e478edd8d50f244", "amountDetails": { "amount": "2.00", "currency": "GBP" } }
Mid-Transaction Status Updates
During the transaction, you might receive one or more update responses indicating the current status of the transaction. You can choose to display these updates on your point-of-sale (POS) system.
{ "type": "TransactionStatusResponse", "message": "Status update to display.", "canBeAborted": true/false }
Response to a Successful Request
{ "type" : "IncrementalAuthorizationResponse", "message" : "Payment approved", "transactionDetails" : { "id" : "6da4aff381e8483ebc65ebf4fbb27ec8", "merchantReferenceCode" : "47bd9ed54f3f4bfabb9d3ee94cfa3008", "submitTimeUtc" : "2023-12-01T20:39:43+0000", "captured" : false, "amountDetails" : { "currency" : "GBP", "amount" : "2.00", "capturedAmount" : "0.00", "refundableAmount" : "0.00" } }, "processingDetails" : { "status" : "APPROVED", "verificationMethod" : "NONE", "entryMode" : "MANUAL", "card" : { "expirationMonth" : "00", "expirationYear" : "00", "type" : "VISA", "maskedPan" : "476173XXXXXX0119" } }, "additionalInformation" : { "requestId" : "7014631843806649604009" }, "linkedOperations" : [ ], "receipts" : { "merchantReceipt" : { "preformattedReceipt" : "Merchant Receipt\nCP Test\nSample Street\nUB3 2EA London\nUnited Kingdom\n1234567\n\nTop-up\n£2.00\n\n\nPlease retain receipt!\n\n\nCard: Payworks VISA\nAccount: **** **** **** 0119\nEntry Mode: Keyed\nVerification: None\n\nAuthorization: 938243\nMerchant ID: **37599\nTerminal ID: ****0063\n\n6da4aff381e8483ebc65ebf4fbb27ec8\n21:39:45: 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_SCHEME_OR_LABEL" : { "label" : "Card", "value" : "Payworks VISA" }, "PAYMENT_DETAILS_MASKED_ACCOUNT" : { "label" : "Account", "value" : "**** **** **** 0119" }, "PAYMENT_DETAILS_SOURCE" : { "label" : "Entry Mode", "value" : "Keyed" }, "PAYMENT_DETAILS_CUSTOMER_VERIFICATION" : { "label" : "Verification", "value" : "None" }, "CLEARING_DETAILS_AUTHORIZATION_CODE" : { "label" : "Authorization", "value" : "938243" }, "CLEARING_DETAILS_MERCHANT_IDENTIFIER" : { "label" : "Merchant ID", "value" : "**37599" }, "CLEARING_DETAILS_TERMINAL_ID" : { "label" : "Terminal ID", "value" : "****0063" }, "RECEIPT_TYPE" : { "label" : "Receipt Type", "value" : "Merchant Receipt" }, "TRANSACTION_TYPE" : { "label" : "Type", "value" : "Top-up" }, "SUBJECT" : { "label" : "Description", "value" : "" }, "IDENTIFIER" : { "label" : "PWID", "value" : "6da4aff381e8483ebc65ebf4fbb27ec8" }, "AMOUNT_AND_CURRENCY" : { "label" : "Amount", "value" : "£2.00" }, "DATE" : { "label" : "Date", "value" : "01/12/2023" }, "TIME" : { "label" : "Time", "value" : "21:39:45" }, "STATUS_TEXT" : { "label" : "Information", "value" : "Please retain receipt!" } }, "signatureLineRequired" : false } }, "customerReceipt" : { "preformattedReceipt" : "Cardholder Receipt\nCP Test\nSample Street\nUB3 2EA London\nUnited Kingdom\n1234567\n\nTop-up\n£2.00\n\n\nPlease retain receipt!\n\n\nCard: Payworks VISA\nAccount: **** **** **** 0119\nEntry Mode: Keyed\nVerification: None\n\nAuthorization: 938243\nMerchant ID: **37599\nTerminal ID: ****0063\n\n6da4aff381e8483ebc65ebf4fbb27ec8\n21:39:45: 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_SCHEME_OR_LABEL" : { "label" : "Card", "value" : "Payworks VISA" }, "PAYMENT_DETAILS_MASKED_ACCOUNT" : { "label" : "Account", "value" : "**** **** **** 0119" }, "PAYMENT_DETAILS_SOURCE" : { "label" : "Entry Mode", "value" : "Keyed" }, "PAYMENT_DETAILS_CUSTOMER_VERIFICATION" : { "label" : "Verification", "value" : "None" }, "CLEARING_DETAILS_AUTHORIZATION_CODE" : { "label" : "Authorization", "value" : "938243" }, "CLEARING_DETAILS_MERCHANT_IDENTIFIER" : { "label" : "Merchant ID", "value" : "**37599" }, "CLEARING_DETAILS_TERMINAL_ID" : { "label" : "Terminal ID", "value" : "****0063" }, "RECEIPT_TYPE" : { "label" : "Receipt Type", "value" : "Cardholder Receipt" }, "TRANSACTION_TYPE" : { "label" : "Type", "value" : "Top-up" }, "SUBJECT" : { "label" : "Description", "value" : "" }, "IDENTIFIER" : { "label" : "PWID", "value" : "6da4aff381e8483ebc65ebf4fbb27ec8" }, "AMOUNT_AND_CURRENCY" : { "label" : "Amount", "value" : "£2.00" }, "DATE" : { "label" : "Date", "value" : "01/12/2023" }, "TIME" : { "label" : "Time", "value" : "21:39:45" }, "STATUS_TEXT" : { "label" : "Information", "value" : "Please retain receipt!" } }, "signatureLineRequired" : false } } } }
Response to an Unsuccessful Request
If the request is unsuccessful, you receive an error response with details.
{ "type": "ErrorResponse", "message": "Error message to display.", "developerDescription": "Detailed description of error." }