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National Vulnerability Database vs dead-drop

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

APINational Vulnerability DatabaseNEW—dead-dropNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensePublic domain (U.S. Government work)Unverified
Free tierFree — no key required (free key raises limits)Free — limits not published
Rate limit5 requests per rolling 30 seconds without an API key (50 with a free key)100 req/window · 100 remaining · resets 1783513841
In directory since2026-07-052026-07-05
operationalpartialdownno data

National Vulnerability Database vs dead-drop: common questions

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

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

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

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

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

National Vulnerability Database allows commercial use on its free tier, and dead-drop 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.