404

APIC.0101

The API does not exist or has not been published in the environment.

• Check whether the domain name, method, and path are consistent with those of the registered API.
• Check whether the API is published. If the API is published in a non-production environment, check whether the X-Stage header in the request is the name of 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.

• Check whether the request method, path, query parameters, and request body are consistent with those used for signature.
• Check whether the client time is correct.

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.

Refresh the request throttling policy and try again.

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.