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NeoWs - (Near Earth Object Web Service) vs Rejection Reason Generator

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

APINeoWs - (Near Earth Object Web Service)HEALTHY68Rejection Reason GeneratorHEALTHY90
Uptime · 30d
Uptime · 90d97.1%100%
Uptime · 30d95.0%100%
P50 · ms737690
P95 · ms30192345
Authnonenone
CORSyesyes
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitSee documentationUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

NeoWs - (Near Earth Object Web Service) vs Rejection Reason Generator: common questions

Which is more reliable, NeoWs - (Near Earth Object Web Service) or Rejection Reason Generator?

On our scheduled checks, Rejection Reason Generator leads on measured uptime — NeoWs - (Near Earth Object Web Service) at 97.1% versus Rejection Reason Generator at 100% 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, NeoWs - (Near Earth Object Web Service) or Rejection Reason Generator?

Rejection Reason Generator has the lower median latency in our checks — NeoWs - (Near Earth Object Web Service) responds in 737 ms versus Rejection Reason Generator at 690 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 NeoWs - (Near Earth Object Web Service) and Rejection Reason Generator need an API key?

Neither needs a paid key — NeoWs - (Near Earth Object Web Service) is callable with no signup, and Rejection Reason Generator 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 Rejection Reason Generator from the browser?

Only Rejection Reason Generator 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 Rejection Reason Generator free for commercial use?

NeoWs - (Near Earth Object Web Service) has unclear commercial terms, and Rejection Reason Generator 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.