Country.is vs IP Address API

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree, no API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Country.is vs IP Address API: common questions

Which is more reliable, Country.is or IP Address API?

On our scheduled checks, IP Address API leads on measured uptime — Country.is at —% versus IP Address API at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Country.is and IP Address API need an API key?

Neither needs a paid key — Country.is is callable with no signup, and IP Address API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Country.is and IP Address API from the browser?

Yes — both Country.is and IP Address API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Country.is and IP Address API free for commercial use?

Country.is has unclear commercial terms, and IP Address API has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.