REST Countries vs Statistics of the World
Same instrument, two spec sheets — measured, not claimed.
REST Countries vs Statistics of the World: common questions
Which is more reliable, REST Countries or Statistics of the World?
Both are neck-and-neck — REST Countries and Statistics of the World 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 Statistics of the World?
REST Countries has the lower median latency in our checks — REST Countries responds in 328 ms versus Statistics of the World at 743 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 Statistics of the World need an API key?
Neither needs a paid key — REST Countries is callable with no signup, and Statistics of the World is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call REST Countries and Statistics of the World from the browser?
Only Statistics of the World is browser-friendly — it returns CORS headers over HTTPS. REST Countries needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are REST Countries and Statistics of the World free for commercial use?
REST Countries allows commercial use on its free tier, and Statistics of the World 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.