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ipapi.com vs Proweblook IP Checker

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

APIipapi.comNEW—Proweblook IP CheckerREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ipapi.com vs Proweblook IP Checker: common questions

Which is more reliable, ipapi.com or Proweblook IP Checker?

On our scheduled checks, Proweblook IP Checker leads on measured uptime — ipapi.com at —% versus Proweblook IP Checker 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 ipapi.com and Proweblook IP Checker need an API key?

Both ask you to authenticate — ipapi.com uses an API key and Proweblook IP Checker uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call ipapi.com and Proweblook IP Checker from the browser?

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

Are ipapi.com and Proweblook IP Checker free for commercial use?

ipapi.com has unclear commercial terms, and Proweblook IP Checker 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.