Return Code List

Possible Code Responses When Calling the API

CodeDescription
0Success
1Payment exception
8000Parameter validation error
8003content-type must be application/json
8004Request parameter format error, must be JSON
8007Signature error
8011Duplicate payment order number
8012Invalid IP address
8013Unsupported currency
8029Merchant payment order number does not exist
8031Order exception: No payment record
8033Duplicate application not allowed
8034Duplicate refund order number
8035Already reached settlement account
8036User is currently applying for a refund
8037Current amount %S, minimum refund amount must be greater than 1 USD