API Error Codes
The following table lists the error codes returned when a user fails to call an API.
| HTTP Status Code | Error Code | Description | Solution |
|---|---|---|---|
| 404 | APIC.0101 | The API does not exist or has not been published in the environment. |
|
| 500 | APIC.0103 | The backend does not exist. | Contact technical support. |
| 500 | APIC.0104 | The plug-ins do not exist. | Contact technical support. |
| 500 | APIC.0105 | The backend configurations do not exist. | Contact technical support. |
| 400 | APIC.0106 | Orchestration error. | Check whether the frontend and backend parameters of the API are correct. |
| 400 | APIC.0201 | Bad request. | Set valid request parameters. |
| 413 | APIC.0201 | Request entity too large. | Reduce the size of the request body to less than 12 MB. |
| 414 | APIC.0201 | Request URI too large. | Reduce the size of the URI to less than 32 KB. |
| 494 | APIC.0201 | Request headers too large. | Reduce the size of request headers to ensure that the length of a single request header is less than 32 KB or the total length of all request headers is less than 128 KB. |
| 502 | APIC.0202 | Backend unavailable. | Check whether the backend address configured for the API is accessible. |
| 504 | APIC.0203 | Backend timeout. | Increase the timeout duration of the backend service or shorten the processing time. |
| 401 | APIC.0301 | Incorrect IAM authentication information. | Check whether the token is correct. |
| 403 | APIC.0302 | The IAM user is not authorized to access the API. | Check whether the user is restricted by a blacklist or whitelist. |
| 401 | APIC.0303 | Incorrect App authentication information. |
|
| 403 | APIC.0304 | The app is not authorized to access the API. | Check whether the app has been authorized to access the API. |
| 401 | APIC.0305 | Incorrect authentication information. | Check whether the authentication information is correct. |
| 403 | APIC.0306 | API access denied. | Check whether you have been authorized to access the API. |
| 401 | APIC.0307 | The token must be updated. | Update the token. |
| 429 | APIC.0308 | The throttling threshold has been reached. | Wait until the request throttling period ends and access the API again, or change the request throttling threshold. |
| 403 | APIC.0401 | Unknown client IP address. | Contact technical support. |
| 403 | APIC.0402 | The IP address is not authorized to access the API. | Check whether the IP address is restricted by a blacklist or whitelist. |
| 503 | APIC.0404 | Access to the backend IP address has been denied. | Use an available IP address to access the backend service. |
| 403 | APIC.0405 | The app is not accessed from a trusted IP address. | Check whether the IP address is restricted by the client access control policy. |
| 500 | APIC.0601 | Internal server error. | Contact technical support. |
| 400 | APIC.0602 | Bad request. | Check whether the request is valid. |
| 500 | APIC.0605 | Backend domain name resolution failed. | Check whether the domain name is correct and has been bound to a correct backend address. |
| 500 | APIC.0606 | Failed to load the API configurations. | Contact technical support. |
| 400 | APIC.0607 | The following protocol is supported: {xxx} | Use HTTP or HTTPS to access the API. |
| 500 | APIC.0608 | Failed to obtain the admin token. | Contact technical support. |
| 500 | APIC.0609 | The VPC backend does not exist. | Contact technical support. |
| 502 | APIC.0610 | No backend available. | Check whether all backends are available. |
| 500 | APIC.0611 | The backend port does not exist. | Contact technical support. |
| 500 | APIC.0612 | An API cannot call itself. | Modify the backend configurations, and ensure that the number of layers the API is recursively called does not exceed 10. |
| 500 | APIC.0705 | Backend signature calculation failed. | Contact technical support. |
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