Wikidata vs REST Countries
Same instrument, two spec sheets — measured, not claimed.
Wikidata vs REST Countries: common questions
Which is more reliable, Wikidata or REST Countries?
On our scheduled checks, REST Countries leads on measured uptime — Wikidata 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 Wikidata and REST Countries need an API key?
Neither needs a paid key — Wikidata 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 Wikidata and REST Countries from the browser?
Only REST Countries is browser-friendly — it returns CORS headers over HTTPS. Wikidata needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Wikidata and REST Countries free for commercial use?
Wikidata 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.