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UUID Generator API vs WhoisXML API IP Geolocation API

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

APIUUID Generator APINEW—WhoisXML API IP Geolocation APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
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

UUID Generator API vs WhoisXML API IP Geolocation API: common questions

Which is more reliable, UUID Generator API or WhoisXML API IP Geolocation API?

On our scheduled checks, WhoisXML API IP Geolocation API leads on measured uptime — UUID Generator API at —% versus WhoisXML API IP Geolocation API 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 UUID Generator API and WhoisXML API IP Geolocation API need an API key?

UUID Generator API needs no key, while WhoisXML API IP Geolocation API requires a free API key. If you want to start calling without signup, reach for UUID Generator API first.

Can I call UUID Generator API and WhoisXML API IP Geolocation API from the browser?

Only WhoisXML API IP Geolocation API is browser-friendly — it returns CORS headers over HTTPS. UUID Generator API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are UUID Generator API and WhoisXML API IP Geolocation API free for commercial use?

UUID Generator API has unclear commercial terms, and WhoisXML API IP Geolocation API 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.