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?
On our scheduled checks, REST Countries leads on measured uptime — REST Countries at 100% versus Statistics of the World at 99.44% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, REST Countries or Statistics of the World?
REST Countries has the lower median latency in our checks — REST Countries responds in 274 ms versus Statistics of the World at 423 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?
Yes — both REST Countries and Statistics of the World send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
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.