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Stock Sentiment API vs USGS Earthquake Hazards Program

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

APIStock Sentiment APIHEALTHY92USGS Earthquake Hazards ProgramHEALTHY91
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%100%
P50 · ms531549
P95 · ms13881638
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedPublic domain (U.S. Government work)
Free tierFree tier — API key may be required for productionFree — no API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Stock Sentiment API vs USGS Earthquake Hazards Program: common questions

Which is more reliable, Stock Sentiment API or USGS Earthquake Hazards Program?

On our scheduled checks, Stock Sentiment API leads on measured uptime — Stock Sentiment API at 100% 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, Stock Sentiment API or USGS Earthquake Hazards Program?

Stock Sentiment API has the lower median latency in our checks — Stock Sentiment API responds in 531 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 Stock Sentiment API and USGS Earthquake Hazards Program need an API key?

USGS Earthquake Hazards Program needs no key, while Stock Sentiment API requires a free API key. If you want to start calling without signup, reach for USGS Earthquake Hazards Program first.

Can I call Stock Sentiment API and USGS Earthquake Hazards Program from the browser?

Yes — both Stock Sentiment API 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 Stock Sentiment API and USGS Earthquake Hazards Program free for commercial use?

Stock Sentiment API 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.