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Proweblook IP Checker vs Country.is

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

APIProweblook IP CheckerON SCHEDULE—Country.isNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree, no API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Proweblook IP Checker vs Country.is: common questions

Which is more reliable, Proweblook IP Checker or Country.is?

Only Country.is is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.

Do Proweblook IP Checker and Country.is need an API key?

Country.is needs no key, while Proweblook IP Checker requires a free API key. If you want to start calling without signup, reach for Country.is first.

Can I call Proweblook IP Checker and Country.is from the browser?

Yes — both Proweblook IP Checker and Country.is 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 Proweblook IP Checker and Country.is free for commercial use?

Proweblook IP Checker has unclear commercial terms, and Country.is 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.