Launch Library 2 vs NASA APOD

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedPublic domain (US Gov)
Free tierFree — no key (The Space Devs LL2)1,000 req/hour with free key
Rate limitAnonymous requests are throttled to a low rate (see docs)DEMO_KEY: 30/hour, 50/day
In directory since2026-07-052026-05-02
operationalpartialdownno data

Launch Library 2 vs NASA APOD: common questions

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

On our scheduled checks, NASA APOD leads on measured uptime — Launch Library 2 at —% versus NASA APOD 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 Launch Library 2 and NASA APOD 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 Launch Library 2 and NASA APOD from the browser?

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

Launch Library 2 has unclear commercial terms, and NASA APOD 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.