Free Public IP API — No Key, No Signup, No Rate Limits (ipify Alternative)

Every developer needs to detect public IP addresses at some point. Whether you're building a "What's my IP" feature, logging user locations, or configuring servers — you need a reliable, free IP API. Most options either require signup (ipinfo), have strict rate limits (ip-api), or only return the IP with no context (ipify). Here's one that does it all — no API key, no signup, no account required : curl https://agent-gateway-kappa.vercel.app/ip That's it. Returns your IP address as plain text. Let me show you what else it can do. Three Endpoints, Zero Authentication 1. Get Your IP (Plain Text) curl https://agent-gateway-kappa.vercel.app/ip # → 203.0.113.42 Perfect for scripts where you just need the IP string: MY_IP = $( curl -s https://agent-gateway-kappa.vercel.app/ip ) echo "Server IP: $MY_IP " 2. Get Your IP + Geolocation (JSON) curl https://agent-gateway-kappa.vercel.app/ip/json Returns: { "ip" : "203.0.113.42" , "country" : "United States" , "countryCode" : "US" , "region" : "Cali