Website Connectivity
Diagnostics API
A simple API for DNS, TCP, TLS, and HTTPS health checks built for developers.
Try it live
Pure JSON Output
Regions: US · EU · SG
SSL Secure
OpenAPI 3.0
Integration
Live Response
Website Health Check
Comprehensive diagnostics in a single pass.
Latency
Global ping response times.
DNS Resolve
Verify A, AAAA, and MX records.
HTTP Request
Inspect status codes and headers.
TLS Cert Active
Validate certificate chain and expiry.
Rate Limits
Free
10 req/min
Signed
60 req/min
Pro
300 req/min