Spaceflight News vs REST Countries
Same instrument, two spec sheets — measured, not claimed.
Spaceflight News vs REST Countries: common questions
Which is more reliable, Spaceflight News or REST Countries?
On our scheduled checks, REST Countries leads on measured uptime — Spaceflight News 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 Spaceflight News and REST Countries need an API key?
Neither needs a paid key — Spaceflight News 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 Spaceflight News and REST Countries from the browser?
Yes — both Spaceflight News and REST Countries 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 Spaceflight News and REST Countries free for commercial use?
Spaceflight News 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.