200 - OK

Processed successfully

Business successful

\

202 - Accepted

Request accepted

Processed successfully. Subsequent operations are required.

\

204 - No Content

Request successful. No response body is returned.

Treated as processed successfully

\

400 - Bad Request

Invalid protocol or parameter

Check your program based on the details returned by the API.

PARAM_ERROR

401 - Unauthorized

Signature verification failed

Check if signature parameters and methods meet the algorithm requirements.

SIGN_ERROR

403 - Forbidden

No permission

Activate the permissions associated with the merchant ID. Contact the Customer Service to apply for the permission.

NO_AUTH

404 - Not Found

The requested resource does not exist.

Check whether the ID queried or the request URL is correct.

ORDER_NOT_EXIST

429 - Too Many

Requests

The request rate limit is exceeded.

Request rejected. Reduce the rate and try again.

RATE_LIMITED

500 - Server Error

System error

Try again as described in the error message for the API.

SYSTEM_ERROR

502 - Bad Gateway

Service is unavailable.

Unable to process the request. Try again later.

SERVICE_UNAVAILABLE

503 – Service Unavailable

Service is unavailable and overload protection is enabled.

Unable to process the request. Try again later.

SERVICE_UNAVAILABLE