required - The alphanumeric code of the voucher. The code has 12 characters. You can pass the code with (e.g. ABCD-ABCD-ABCD) or without (e.g. ABCDABCDABCD) dashes. 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.