Live deterministic tool
API Health Checker
Probe a public API endpoint for status, response time, content type, cache policy, and server hints.
What this checks
HTTP status
Response time
Content-Type
Cache-Control
FAQ
Does this return real evidence?
Yes. The tool runs deterministic network, parser, DNS, or TLS checks against the submitted public target.
Will results be mocked?
No. Tools either run real checks or return a clear unavailable state.