IP detection tools

Free IP Detection Tools

Check any IP for VPNs, proxies, Tor and fraud risk. Every tool is free to try in the browser and backed by the same real-time API you can call from your own app.

VPN Detection APIReal-time VPN detection API. Send any IP and get back whether it belongs to a commercial VPN, with a confidence score. Free tier, simple REST, fast global lookups.Proxy Detection APIDetect HTTP, SOCKS, residential and datacenter proxies plus Tor exit nodes from any IP with one REST call. Real-time proxy detection API with a free tier.Residential Proxy DetectionDetect residential proxies that disguise traffic as ordinary home connections. Real-time residential proxy detection by IP with confidence scoring and a free tier.Datacenter Proxy DetectionDetect datacenter and cloud-hosted proxies by IP in real time. Identify hosting ASNs used for proxying and scraping with confidence scoring and a free API tier.How to Detect a VPNLearn how to detect whether an IP address is using a VPN. Try the free VPN checker below, understand the signals, and automate it with the VPN detection API.Detect a Proxy from an IPCheck whether an IP address is a proxy. Free online proxy detector that flags HTTP, SOCKS, residential and datacenter proxies plus Tor, with an API to automate it.Anonymous Proxy CheckerFree anonymous proxy checker. Find out if an IP is an anonymous or elite proxy hiding a user’s real address, with proxy type, confidence score and an API.Tor Exit Node DetectionDetect Tor exit nodes by IP in real time. Check whether an address is part of the Tor network using a live exit list, with confidence scoring and an API.IP Reputation CheckFree IP reputation check. See whether an IP is associated with VPNs, proxies, Tor, hosting or past abuse, with a combined risk score and an API to automate it.IP Fraud ScoreGet a fraud score for any IP address. Combine VPN, proxy, Tor, hosting and abuse signals into a 0–100 fraud risk score, free to try with an API to automate it.