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Universities List vs Urlbox API

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

APIUniversities ListNEW—Urlbox APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSnoyes
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

Universities List vs Urlbox API: common questions

Which is more reliable, Universities List or Urlbox API?

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

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

Can I call Universities List and Urlbox API from the browser?

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

Are Universities List and Urlbox API free for commercial use?

Universities List has unclear commercial terms, and Urlbox 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.