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FreeIPAPI vs IP2Proxy

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

APIFreeIPAPINEW—IP2ProxyNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

FreeIPAPI vs IP2Proxy: common questions

Which is more reliable, FreeIPAPI or IP2Proxy?

On our scheduled checks, IP2Proxy leads on measured uptime — FreeIPAPI at —% versus IP2Proxy 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 IP2Proxy need an API key?

FreeIPAPI needs no key, while IP2Proxy requires a free API key. If you want to start calling without signup, reach for FreeIPAPI first.

Can I call FreeIPAPI and IP2Proxy from the browser?

Neither sends browser-friendly CORS headers reliably, so call FreeIPAPI and IP2Proxy from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are FreeIPAPI and IP2Proxy free for commercial use?

FreeIPAPI has unclear commercial terms, and IP2Proxy 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.