A free curl API for IP data (we scan the IPv4 space in <24h)
The curl API for WorldIP is now live and completely free to use. You can hit it right from your terminal: curl worldip.io — returns information about your requesting IP. curl worldip.io/8.8.8.8 — returns details on any specific IP. The main differentiator here is that we aren't just wrapping another provider's API and reselling their data. We built and run our own global infrastructure capable of scanning the entire IPv4 space in about a day. Happy to answer any questions about the scanning infrastructure or the stack!
In plain words
WorldIP is a free curl API that provides IP address information accessible directly from the terminal. Users can query their own IP or any specific IP address to retrieve details. The service distinguishes itself by operating its own global scanning infrastructure capable of scanning the entire IPv4 space in approximately 24 hours, rather than reselling data from another provider. It serves developers who need IP data lookups without relying on third-party data sources.
written from the facts on this page · September 2026
Does the same job
all alternatives →
- ASA simple IP address API2014 · ipinfo.io · ▲241
- TFTiny, fast, and free API to geolocate IP addresses2019 · github.com · ▲144
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