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NASA APOD vs Open Science Framework

Same instrument, two spec sheets — measured, not claimed.

APINASA APODHEALTHY—Open Science FrameworkNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensePublic domain (US Gov)Unverified
Free tier1,000 req/hour with free keyFree — limits not published
Rate limitDEMO_KEY: 30/hour, 50/dayUnpublished
In directory since2026-05-022026-07-05
operationalpartialdownno data

NASA APOD vs Open Science Framework: common questions

Which is more reliable, NASA APOD or Open Science Framework?

On our scheduled checks, Open Science Framework leads on measured uptime — NASA APOD at —% versus Open Science Framework 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 Science Framework need an API key?

Open Science Framework needs no key, while NASA APOD requires a free API key. If you want to start calling without signup, reach for Open Science Framework first.

Can I call NASA APOD and Open Science Framework from the browser?

Only NASA APOD is browser-friendly — it returns CORS headers over HTTPS. Open Science Framework needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are NASA APOD and Open Science Framework free for commercial use?

NASA APOD allows commercial use on its free tier, and Open Science Framework 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.