1. HTTP Response Code
See the table below for common HTTP status codes.。
| Status Code | Type | Solution | Error Code |
|---|---|---|---|
| 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 |
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