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dead-drop vs URLScan.io

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

APIdead-dropNEW—URLScan.ioNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limit100 req/window · 100 remaining · resets 178351384130 req/window · 29 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

dead-drop vs URLScan.io: common questions

Which is more reliable, dead-drop or URLScan.io?

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

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

Can I call dead-drop and URLScan.io from the browser?

Only dead-drop is browser-friendly — it returns CORS headers over HTTPS. URLScan.io needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are dead-drop and URLScan.io free for commercial use?

dead-drop has unclear commercial terms, and URLScan.io 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.