NASA APOD vs Open Notify
Same instrument, two spec sheets — measured, not claimed.
NASA APOD vs Open Notify: common questions
Which is more reliable, NASA APOD or Open Notify?
On our scheduled checks, Open Notify leads on measured uptime — NASA APOD at —% versus Open Notify 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 Open Notify need an API key?
Open Notify needs no key, while NASA APOD requires a free API key. If you want to start calling without signup, reach for Open Notify first.
Can I call NASA APOD and Open Notify from the browser?
Only NASA APOD is browser-friendly — it returns CORS headers over HTTPS. Open Notify needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are NASA APOD and Open Notify free for commercial use?
NASA APOD allows commercial use on its free tier, and Open Notify 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.