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ItsThisForThat vs ipify

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

APIItsThisForThatNEW—ipifyHEALTHY—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedn/a
Free tierFree — limits not publishedUnlimited
Rate limitUnpublished (docs ask you not to hammer it)None
In directory since2026-07-052026-05-02
operationalpartialdownno data

ItsThisForThat vs ipify: common questions

Which is more reliable, ItsThisForThat or ipify?

On our scheduled checks, ipify leads on measured uptime — ItsThisForThat at —% versus ipify 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 ItsThisForThat and ipify need an API key?

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

Can I call ItsThisForThat and ipify from the browser?

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

Are ItsThisForThat and ipify free for commercial use?

ItsThisForThat has unclear commercial terms, and ipify allows commercial use on its free tier. 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.