NASA APOD vs Launch Library 2

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensePublic domain (US Gov)Unverified
Free tier1,000 req/hour with free keyFree — no key (The Space Devs LL2)
Rate limitDEMO_KEY: 30/hour, 50/dayAnonymous requests are throttled to a low rate (see docs)
In directory since2026-05-022026-07-05
operationalpartialdownno data

NASA APOD vs Launch Library 2: common questions

Which is more reliable, NASA APOD or Launch Library 2?

On our scheduled checks, Launch Library 2 leads on measured uptime — NASA APOD at —% versus Launch Library 2 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 Launch Library 2 need an API key?

Launch Library 2 needs no key, while NASA APOD requires a free API key. If you want to start calling without signup, reach for Launch Library 2 first.

Can I call NASA APOD and Launch Library 2 from the browser?

Yes — both NASA APOD and Launch Library 2 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 Launch Library 2 free for commercial use?

NASA APOD allows commercial use on its free tier, and Launch Library 2 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.