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Cartes.io vs FreeIPAPI

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

APICartes.ioNEW—FreeIPAPINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (open-source project; user-generated maps)Unverified
Free tierFree, no API key for public readFree — limits not published
Rate limit60 req/window · 59 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Cartes.io vs FreeIPAPI: common questions

Which is more reliable, Cartes.io or FreeIPAPI?

On our scheduled checks, FreeIPAPI leads on measured uptime — Cartes.io at —% versus FreeIPAPI 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 Cartes.io and FreeIPAPI need an API key?

Neither needs a paid key — Cartes.io is callable with no signup, and FreeIPAPI is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Cartes.io and FreeIPAPI from the browser?

Only Cartes.io is browser-friendly — it returns CORS headers over HTTPS. FreeIPAPI needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Cartes.io and FreeIPAPI free for commercial use?

Cartes.io has unclear commercial terms, and FreeIPAPI 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.