required - The code of the voucher. Vouchers issued by e-guma have 12 characters. You can pass the code with (e.g. ABCD-ABCD-ABCD) or without (e.g. ABCDABCDABCD) dashes. Imported vouchers from a previous system can have another length and format, for example a 16-digit card number. Pass the code as it is printed or scanned. Dashes and spaces are ignored. Please use url_encode for the code as it might contain special characters.
api-key
required - The API key required to authenticate the request.
POST Data
Parameter
Description
expire_date
The new expire date (ISO 8601 format).
Return
code
The same voucher code as you provided as parameter
message
A message informing you that the voucher has been updated.