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restful-api.dev vs ipify

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

APIrestful-api.devNEW—ipifyHEALTHY—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedn/a
Free tierFree — limits not publishedUnlimited
Rate limitUnpublishedNone
In directory since2026-07-052026-05-02
operationalpartialdownno data

restful-api.dev vs ipify: common questions

Which is more reliable, restful-api.dev or ipify?

On our scheduled checks, ipify leads on measured uptime — restful-api.dev 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 restful-api.dev and ipify need an API key?

Neither needs a paid key — restful-api.dev 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 restful-api.dev and ipify from the browser?

Yes — both restful-api.dev and ipify send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are restful-api.dev and ipify free for commercial use?

restful-api.dev 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.