This API call lets you process a refund using a card token. The response is an XML of the processed refund.
Request Fields
| Field Name |
Type |
Required |
Description |
| transactionType |
String |
Yes |
refund |
| accountId |
Integer |
Yes |
The Helcim Commerce account ID. |
| apiToken |
String |
Yes |
API token used for authentication and access control. |
| amount |
Decimal |
Yes |
The amount of the transaction. |
| cardToken |
String |
Yes |
The credit card token. |
| cardF4L4Skip |
Integer |
Yes |
1 or 0. Must enter 1. |
| transactionId |
Integer |
No |
The transaction ID of the original sale. |
| terminalId |
Integer |
No |
The terminal ID number. Not sending a terminal ID will use default terminal of your Helcim Account. |
| currency |
String |
No |
CAD, USD or other currencies. Not sending currency will use default currency of your Helcim Account. |
| orderNumber |
Integer |
No |
The original Invoice number. |
Response Fields (XML)
| Field Name |
Type |
Description |
| message |
- |
XML structure |
| response |
Integer |
1 or 0. Whether the transaction was approved or declined. |
| responseMessage |
String |
Result of transaction (Approved/Denied). |
| notice |
String |
Error/warning message from Helcim. |
| transaction |
- |
XML structure |
| transactionId |
Integer |
The transaction ID. |
| type |
String |
The transaction type (purchase, refund, pre-auth, capture). |
| date |
String |
The date of the transactions. |
| time |
String |
The time of the transaction. |
| cardHolderName |
String |
The card holder's name. |
| amount |
Decimal |
The amount of the transactions. |
| currency |
String |
The currency of the transaction. |
| cardnumber |
String |
The credit card number (first 4 and last 4 digits only). |
| cardToken |
String |
The credit card token. |
| expiryDate |
Integer |
The credit card expiry date. |
| cardType |
String |
The credit card type (Visa, Mastercard, Amex, Discovery). |
| avsResponse |
String |
The address verification response. |
| cvvResponse |
String |
The CVV verification response. |
| approvalCode |
String |
The approval code. |
| orderNumber |
String |
The order number. |
| customerCode |
String |
The customer code. |
Errors
For all API requests, there are also generic API authentication and user access restriction errors.
| Response Code |
Error Code |
Message |
Description |
| 0 |
- |
Invalid Amount |
The transaction amount was not entered. |
| 0 |
- |
Declined - Invalid Card Number Invalid Expiry Date |
The credit card token was not entered or is invalid. |
| 0 |
- |
Card F4L4 Does Not Match Card Token |
Request field cardF4L4Skip was not populated with integer '1' |
