shipapis
StarSubmit an APISubmit API

Open Notify vs USGS Earthquake Hazards Program

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

APIOpen NotifyDYING—USGS Earthquake Hazards ProgramNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSnoyes
Card requirednono
Commercial useunclearyes
Data licensen/aPublic domain (U.S. Government work)
Free tierUnlimited (volunteer-run)Free — no API key required
Rate limitPlease be gentleUnpublished
In directory since2026-05-022026-07-05
operationalpartialdownno data

Open Notify vs USGS Earthquake Hazards Program: common questions

Which is more reliable, Open Notify or USGS Earthquake Hazards Program?

On our scheduled checks, USGS Earthquake Hazards Program leads on measured uptime — Open Notify at —% versus USGS Earthquake Hazards Program 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 Open Notify and USGS Earthquake Hazards Program need an API key?

Neither needs a paid key — Open Notify 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 Open Notify and USGS Earthquake Hazards Program from the browser?

Only USGS Earthquake Hazards Program is browser-friendly — it returns CORS headers over HTTPS. Open Notify needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Open Notify and USGS Earthquake Hazards Program free for commercial use?

Open Notify 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.