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