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 →
Presend API
Security and developer utility API -- malware, vulnerability, and domain checks, no signup.
Free REST API, no key or signup: supply-chain checks (typosquatting, npm maintainer changes, OSV vulnerabilities), security headers, DNS and RDAP lookups, email and IBAN validation.
Strengths
- No API key needed
- Fast: 399 ms response
- Callable from the browser (CORS)
- HTTPS
Ratings, reviews and FAQ →