ipify
FreeLiveLast verified 24 Sept 2026
Returns the caller's public IPv4 or IPv6 address as plain text, JSON, or JSONP.
Example request
curl -s 'https://api.ipify.org?format=json'
Free tier, in plain English
Completely free with no key and no stated rate limit for either the IPv4 or IPv6/dual-stack endpoints.
Alternatives in IP Geolocation
AbstractAPI IP GeolocationLooks up a visitor's country, region, city, and timezone from their IP address.FreemiumApiipIP geolocation lookup returning country, city, currency, timezone, and ISP data for an IP address.FreemiumBigDataCloud's IP Geolocation APILocates an IP address to city/region level using router-topology mapping rather than WHOIS data.FreemiumBigDataCloud's Network Engineering APIASN details, BGP prefix data, IP-to-network lookups and Tor exit-node detection for network engineering.FreemiumCountry.isLooks up a visitor's country (and optionally city/ASN) from their IP address.Free