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Lookup.im API vs Universities List

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

APILookup.im APINEW—Universities ListNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Lookup.im API vs Universities List: common questions

Which is more reliable, Lookup.im API or Universities List?

On our scheduled checks, Universities List leads on measured uptime — Lookup.im API at —% versus Universities List 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 Lookup.im API and Universities List need an API key?

Universities List needs no key, while Lookup.im API requires a free API key. If you want to start calling without signup, reach for Universities List first.

Can I call Lookup.im API and Universities List from the browser?

Neither sends browser-friendly CORS headers reliably, so call Lookup.im API and Universities List from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Lookup.im API and Universities List free for commercial use?

Lookup.im API has unclear commercial terms, and Universities List 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.