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Geocode.xyz vs IsItWater

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

APIGeocode.xyzNEW—IsItWaterNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Geocode.xyz vs IsItWater: common questions

Which is more reliable, Geocode.xyz or IsItWater?

On our scheduled checks, IsItWater leads on measured uptime — Geocode.xyz at —% versus IsItWater 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 Geocode.xyz and IsItWater need an API key?

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

Can I call Geocode.xyz and IsItWater from the browser?

Only Geocode.xyz 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 Geocode.xyz and IsItWater free for commercial use?

Geocode.xyz has unclear commercial terms, and IsItWater 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.