HTTP Status Codes

200: Success. The request has been successfully processed, and the server has returned the expected response data.

400: Bad Request. There was a general error while parsing the HTTP request, and the proxy server returns an error code.

403: Domain Blocked. The requested domain has been blocked, and the server refuses to provide the service.

470: Missing username and password. The request lacks necessary authentication information, such as the username and password.

490: No IP Available in the Region. There are no available proxy IPs in the requested region at the moment.

502: Gateway Error. The proxy server received an error response from the upstream server. Please try the request again.

512: Whitelist Authentication Error. Please add this IP address to the whitelist.

522: Timeout. The proxy server did not receive a response from the upstream server within the expected time. Please retry the request.

610: IP is not an overseas IP.

612: Incorrect account credentials, sub-account traffic limit reached, or account traffic exhausted, etc.

Methods to view the response codes:

curl -xUSERNAME:PASSWORD@SERVER:PORThttps://api.ip.cc/-i -v 

curl -x SERVER:PORThttps://api.ip.cc/-i -v (Extraction via API)