Return Code List

The API may return the following codes upon invocation. You can refer to these codes.

Code	Description
0	Success
1	Payment exception
1000	Request parameter is empty
1009	Request parameter is wrong
1050	Merchant doesn't exsit
1051	Illegal sign
1052	Payment QRcode doesn't support
1045	Payment Qrcode cannot be interpreted
1031	Payment amount is over permission limit. Payment is forbidden.
1034	Payment amount is lower than permission limit. Payment is forbidden.
1054	Merchant order repeat
1040	IP limitation
8000	Parameter validation error
8003	content-type must be application/json
8004	Request parameter format error, must be JSON
8007	Signature error
8011	Duplicate payment order number
8012	Invalid IP address
8029	Merchant payment order number does not exist