Universities List vs REST Countries

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSnoyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedMPL-2.0
Free tierFree — limits not publishedUnlimited
Rate limitUnpublishedNone published
In directory since2026-07-052026-05-02
operationalpartialdownno data

Universities List vs REST Countries: common questions

Which is more reliable, Universities List or REST Countries?

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

Neither needs a paid key — Universities List is callable with no signup, and REST Countries is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Universities List and REST Countries from the browser?

Only REST Countries is browser-friendly — it returns CORS headers over HTTPS. Universities List needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Universities List and REST Countries free for commercial use?

Universities List has unclear commercial terms, and REST Countries allows commercial use on its free tier. 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.