REST Countries vs Universities List
Same instrument, two spec sheets — measured, not claimed.
REST Countries vs Universities List: common questions
Which is more reliable, REST Countries or Universities List?
Both are neck-and-neck — REST Countries and Universities List each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, REST Countries or Universities List?
Universities List has the lower median latency in our checks — REST Countries responds in 274 ms versus Universities List at 222 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do REST Countries and Universities List need an API key?
Neither needs a paid key — REST Countries is callable with no signup, and Universities List is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call REST Countries and Universities List 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 REST Countries and Universities List free for commercial use?
REST Countries allows commercial use on its free tier, 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.