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NeoWs - (Near Earth Object Web Service) vs Open Trivia

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

APINeoWs - (Near Earth Object Web Service)NEW—Open TriviaNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSnoyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY-SA 4.0
Free tierFree — limits not publishedFree, no API key
Rate limitSee documentationOne request per IP every 5 seconds (documented)
In directory since2026-07-052026-07-05
operationalpartialdownno data

NeoWs - (Near Earth Object Web Service) vs Open Trivia: common questions

Which is more reliable, NeoWs - (Near Earth Object Web Service) or Open Trivia?

On our scheduled checks, Open Trivia leads on measured uptime — NeoWs - (Near Earth Object Web Service) at —% versus Open Trivia 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 NeoWs - (Near Earth Object Web Service) and Open Trivia need an API key?

Neither needs a paid key — NeoWs - (Near Earth Object Web Service) is callable with no signup, and Open Trivia is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call NeoWs - (Near Earth Object Web Service) and Open Trivia from the browser?

Only Open Trivia is browser-friendly — it returns CORS headers over HTTPS. NeoWs - (Near Earth Object Web Service) needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are NeoWs - (Near Earth Object Web Service) and Open Trivia free for commercial use?

NeoWs - (Near Earth Object Web Service) has unclear commercial terms, and Open Trivia 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.