Networking & Protocols
DNS lookup, IP geolocation, ping, and network analytics tooling
Networking & Protocols API Comparison Overview
Top Endpoints| API Service | Auth Type | Rate Limit | Security | Direct Link |
|---|---|---|---|---|
| ipify | No Key | Sınırsız | HTTPS • CORS | Docs |
| IP-API | No Key | 45 istek/dk | HTTPS • CORS | Docs |
| ipapi.co | No Key | 30.000 istek/ay | HTTPS • CORS | Docs |
| ipinfo.io | Free Key | 50.000 istek/ay | HTTPS • CORS | Docs |
| ipstack | Free Key | 100 istek/ay | HTTPS • CORS | Docs |
| IPWHOIS | No Key | 10.000 istek/ay | HTTPS • CORS | Docs |
Available Endpoints (9)
ipify
Simple public IP address lookup API with universal CORS support
IP-API
IP geolocation lookup returning ISP, latitude, longitude, and timezone
ipapi.co
Accurate IP geolocation, currency, time zone, and ISP network lookup
ipinfo.io
Enterprise IP address geolocation, ASN mapping, and VPN/proxy detection
ipstack
High-accuracy IP address geolocation, country, city, and ASN network lookup
IPWHOIS
IP address WHOIS registry data, netblock allocation, and abuse contacts
Whois
Domain name registration records, registrar details, and DNS nameservers
GeoJS
Free and unlimited IP geolocation lookup REST endpoint with CORS support
ProxyCheck
Detect fraudulent IP proxies, VPN exits, Tor nodes, and botnets
About Free Networking & Protocols APIs
This directory curates 9 verified public APIs in the Networking & Protocols domain. Developers can build dashboards, mobile applications, automation bots, and microservices with these ready-to-integrate endpoints without upfront billing.
Do I need an API key?
Several APIs listed here operate as Zero-Auth services where you can execute queries directly. Others provide free developer tiers with an instant key upon registration.
Does FreeAPI support CORS?
Yes, all endpoints can be called through FreeAPI Smart Edge Gateway to bypass browser CORS headers and inspect live responses.