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?
Both are neck-and-neck — REST Countries and The Odds API 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 The Odds API?
The Odds API has the lower median latency in our checks — REST Countries responds in 274 ms versus The Odds API at 138 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 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.