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dead-drop vs National Vulnerability Database

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

APIdead-dropNEW—National Vulnerability DatabaseNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedPublic domain (U.S. Government work)
Free tierFree — limits not publishedFree — no key required (free key raises limits)
Rate limit100 req/window · 100 remaining · resets 17835138415 requests per rolling 30 seconds without an API key (50 with a free key)
In directory since2026-07-052026-07-05
operationalpartialdownno data

dead-drop vs National Vulnerability Database: common questions

Which is more reliable, dead-drop or National Vulnerability Database?

On our scheduled checks, National Vulnerability Database leads on measured uptime — dead-drop at —% versus National Vulnerability Database 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 dead-drop and National Vulnerability Database need an API key?

Neither needs a paid key — dead-drop is callable with no signup, and National Vulnerability Database is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call dead-drop and National Vulnerability Database from the browser?

Yes — both dead-drop and National Vulnerability Database 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 dead-drop and National Vulnerability Database free for commercial use?

dead-drop has unclear commercial terms, and National Vulnerability Database 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.