Proxy Check is a proxy detection API offered under free and paid plans. It provides IP data such as network, privacy and operator information, and the documentation describes a v3 API with support for the v2 API until 2035.
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Proxy Checker helps find, check, or use proxy services for alternate web access and privacy testing.
proxy-scraper-checker is a code project with source, releases, documentation, or setup notes.
spys.one publishes a live list of free public proxy servers, covering HTTP, HTTPS with SSL support, and SOCKS proxies. Entries include proxy address and port, proxy type, anonymity level, country and city, hostname or organization, latency, relative speed, uptime and last check time. It also offers proxy lists by country, anonymity, ASN or organization, city and port.
A tool that checks whether a VPN or proxy is leaking IP or DNS information. It offers a VPN leak test covering IPv4, DNS, WebRTC and geolocation leaks, and a torrent IP leak test that checks which IP address and DNS server a torrent client uses.
Firefox VPN helps find, check, or use proxy services for alternate web access and privacy testing.
AirVPN helps find, check, or use proxy services for alternate web access and privacy testing.
CheckSocks5 helps find, check, or use proxy services for alternate web access and privacy testing.
CroxyProxy helps find, check, or use proxy services for alternate web access and privacy testing.
FreeSocks helps find, check, or use proxy services for alternate web access and privacy testing.
Geonode's free proxy list presents HTTP, HTTPS and SOCKS5 IPs from more than 100 countries, with uptime, speed and anonymity details. The list is checked every minute, and entries can be filtered by country, proxy type, anonymity level and speed, then downloaded as TXT, CSV or JSON or accessed through a free API.
IP Intelligence is a free real-time service that determines how likely an IP address is a proxy, VPN, hosting or bad IP, returning a probabilistic value between 0 and 1. It uses machine learning and probability theory with dynamic checks against large datasets. The API requires no key or sign-up, and an optional residential proxy detection flag is available.
IVPN helps find, check, or use proxy services for alternate web access and privacy testing.
Mullvad VPN helps find, check, or use proxy services for alternate web access and privacy testing.
OpenVPN helps find, check, or use proxy services for alternate web access and privacy testing.
PrivadoVPN helps find, check, or use proxy services for alternate web access and privacy testing.
ProxyOf2 helps find, check, or use proxy services for alternate web access and privacy testing.
Shadowsocks helps find, check, or use proxy services for alternate web access and privacy testing.
Techlore Chart helps find, check, or use proxy services for alternate web access and privacy testing.
VPN Relationships helps find, check, or use proxy services for alternate web access and privacy testing.
Vpnmap helps find, check, or use proxy services for alternate web access and privacy testing.
Wireguard helps find, check, or use proxy services for alternate web access and privacy testing.
Freeproxyupdate is a site publishing free proxy lists that it states are checked and updated every minute. The lists include HTTP, HTTPS, SOCKS4, SOCKS5 and elite proxies with IP address, port, country, anonymity, speed, latency, response, uptime and last-checked details.
FastSSH.com offers free VPN accounts and SSH-based proxy accounts, including OBFS, WebSocket CDN, SSL (Stunnel) and UDP variants, alongside tools such as an open port checker and IP to decimal converter. The site also lists V2Ray and VPN app services and accepts feature requests for tools or new features.