ipify vs ReqRes

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensen/aUnverified
Free tierUnlimitedFree — limits not published
Rate limitNoneUnpublished
In directory since2026-05-022026-07-05
operationalpartialdownno data

ipify vs ReqRes: common questions

Which is more reliable, ipify or ReqRes?

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

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

Can I call ipify and ReqRes from the browser?

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

Are ipify and ReqRes free for commercial use?

ipify allows commercial use on its free tier, and ReqRes 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.