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University of Oslo vs WhoisXML API IP Geolocation API

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

APIUniversity of OsloNEW—WhoisXML API IP Geolocation APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
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

University of Oslo vs WhoisXML API IP Geolocation API: common questions

Which is more reliable, University of Oslo or WhoisXML API IP Geolocation API?

On our scheduled checks, WhoisXML API IP Geolocation API leads on measured uptime — University of Oslo 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 University of Oslo and WhoisXML API IP Geolocation API need an API key?

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

Can I call University of Oslo and WhoisXML API IP Geolocation API from the browser?

Yes — both University of Oslo and WhoisXML API IP Geolocation API 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 University of Oslo and WhoisXML API IP Geolocation API free for commercial use?

University of Oslo 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.