REST Countries vs The Odds API
Same instrument, two spec sheets — measured, not claimed.
REST Countries vs The Odds API: common questions
Which is more reliable, REST Countries or The Odds API?
On our scheduled checks, The Odds API leads on measured uptime — REST Countries at —% versus The Odds API 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 REST Countries and The Odds API need an API key?
REST Countries needs no key, while The Odds API requires a free API key. If you want to start calling without signup, reach for REST Countries first.
Can I call REST Countries and The Odds API from the browser?
Yes — both REST Countries and The Odds API 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 The Odds API free for commercial use?
REST Countries allows commercial use on its free tier, and The Odds API 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.