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IsItWater vs Country.is

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

APIIsItWaterUNMONITORED—Country.isNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
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

IsItWater vs Country.is: common questions

Which is more reliable, IsItWater 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 IsItWater and Country.is need an API key?

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

Can I call IsItWater and Country.is from the browser?

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

Are IsItWater and Country.is free for commercial use?

IsItWater 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.