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Launch Library 2 vs USGS Earthquake Hazards Program

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

APILaunch Library 2DYING29USGS Earthquake Hazards ProgramHEALTHY91
Uptime · 30d
Uptime · 90d3.9%99.02%
Uptime · 30d1.7%100%
P50 · ms546549
P95 · ms10101638
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedPublic domain (U.S. Government work)
Free tierFree — no key (The Space Devs LL2)Free — no 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Rate limitAnonymous requests are throttled to a low rate (see docs)Unpublished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 USGS Earthquake Hazards Program: common questions

Which is more reliable, Launch Library 2 or USGS Earthquake Hazards Program?

On our scheduled checks, USGS Earthquake Hazards Program leads on measured uptime — Launch Library 2 at 3.9% versus USGS Earthquake Hazards Program at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Launch Library 2 or USGS Earthquake Hazards Program?

Launch Library 2 has the lower median latency in our checks — Launch Library 2 responds in 546 ms versus USGS Earthquake Hazards Program at 549 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Launch Library 2 and USGS Earthquake Hazards Program need an API key?

Neither needs a paid key — Launch Library 2 is callable with no signup, and USGS Earthquake Hazards Program is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Launch Library 2 and USGS Earthquake Hazards Program from the browser?

Yes — both Launch Library 2 and USGS Earthquake Hazards Program 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 USGS Earthquake Hazards Program free for commercial use?

Launch Library 2 has unclear commercial terms, and USGS Earthquake Hazards Program 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.