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IP Proxy Detection vs National Vulnerability Database

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

APIIP Proxy DetectionNEW—National Vulnerability DatabaseNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSnoyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedPublic domain (U.S. Government work)
Free tierFree — limits not publishedFree — no key required (free key raises limits)
Rate limitUnpublished5 requests per rolling 30 seconds without an API key (50 with a free key)
In directory since2026-07-052026-07-05
operationalpartialdownno data

IP Proxy Detection vs National Vulnerability Database: common questions

Which is more reliable, IP Proxy Detection or National Vulnerability Database?

On our scheduled checks, National Vulnerability Database leads on measured uptime — IP Proxy Detection 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 IP Proxy Detection and National Vulnerability Database need an API key?

Neither needs a paid key — IP Proxy Detection 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 IP Proxy Detection and National Vulnerability Database from the browser?

Only National Vulnerability Database is browser-friendly — it returns CORS headers over HTTPS. IP Proxy Detection needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are IP Proxy Detection and National Vulnerability Database free for commercial use?

IP Proxy Detection 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.