API Documentation

Run checks or query monitoring data via API. All endpoints require API Key authentication.

Authentication

All API requests require an API Key in the HTTP header. Generate your key from the API Key page in the console.

Header

Authorization: Bearer cct-YOUR_API_KEY

Base URL

https://cctest.ai

Check API

Uses credits

For API relay users — verify whether a third-party relay service connects to official Claude. Each call consumes 1 check credit.

Monitor API

Free

For relay operators — run an API relay service and need 24/7 monitoring of upstream channel quality. Works with scheduled monitors in the console; query history and trends via API.

Verdict Reference

official100

Official

Passed all checks — confirmed official Anthropic API

official_flawed70-99

Official (flawed)

Core checks passed but some dimensions show anomalies

unofficial70+

Unofficial

Response is Claude but routed through unofficial relay

reversed<70

Reversed

Suspected reverse-engineered access — security risk

not_claude0

Not Claude

Response is not from a Claude model