IPGuardian API
Check IP addresses against 140+ public threat intelligence blocklists.
Check any IP against 140+ threat feeds. No signup, no API key, up to 100 addresses per request.
Strengths
- No API key needed
- Callable from the browser (CORS)
- HTTPS
Ratings, reviews and FAQ →
IPLogs API
Free VPN, proxy, Tor and datacenter IP detection. 13 sources, active probing.
Free online VPN checker & detection API. Am I using a VPN? Check if any IP is a VPN, proxy, Tor, datacenter or blacklisted. 13-source detection, no signup.
Strengths
- No API key needed
- Callable from the browser (CORS)
- HTTPS
Ratings, reviews and FAQ →