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FreeIPAPI vs IP Address API

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

APIFreeIPAPINEW—IP Address APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

FreeIPAPI vs IP Address API: common questions

Which is more reliable, FreeIPAPI or IP Address API?

On our scheduled checks, IP Address API leads on measured uptime — FreeIPAPI 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 FreeIPAPI and IP Address API need an API key?

Neither needs a paid key — FreeIPAPI 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 FreeIPAPI and IP Address API from the browser?

Only IP Address API 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 FreeIPAPI and IP Address API free for commercial use?

FreeIPAPI 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.