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dead-drop vs FingerprintJS Pro

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

APIdead-dropNEW—FingerprintJS ProNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limit100 req/window · 100 remaining · resets 1783513841Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

dead-drop vs FingerprintJS Pro: common questions

Which is more reliable, dead-drop or FingerprintJS Pro?

On our scheduled checks, FingerprintJS Pro leads on measured uptime — dead-drop at —% versus FingerprintJS Pro 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 FingerprintJS Pro need an API key?

dead-drop needs no key, while FingerprintJS Pro requires a free API key. If you want to start calling without signup, reach for dead-drop first.

Can I call dead-drop and FingerprintJS Pro from the browser?

Yes — both dead-drop and FingerprintJS Pro 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 FingerprintJS Pro free for commercial use?

dead-drop has unclear commercial terms, and FingerprintJS Pro 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.