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Launch Library 2 vs Replicate

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

APILaunch Library 2NEW—ReplicateNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key (The Space Devs LL2)Free tier — API key required
Rate limitAnonymous requests are throttled to a low rate (see docs)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Launch Library 2 vs Replicate: common questions

Which is more reliable, Launch Library 2 or Replicate?

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

Launch Library 2 needs no key, while Replicate 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 Replicate from the browser?

Only Launch Library 2 is browser-friendly — it returns CORS headers over HTTPS. Replicate needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Launch Library 2 and Replicate free for commercial use?

Launch Library 2 has unclear commercial terms, and Replicate 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.