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FreeIPAPI vs Postali

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

APIFreeIPAPINEW—PostaliNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — no key, no signup, no monthly limit (per site)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

FreeIPAPI vs Postali: common questions

Which is more reliable, FreeIPAPI or Postali?

On our scheduled checks, Postali leads on measured uptime — FreeIPAPI at —% versus Postali 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 Postali need an API key?

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

Can I call FreeIPAPI and Postali from the browser?

Only Postali 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 Postali free for commercial use?

FreeIPAPI has unclear commercial terms, and Postali 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.