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Jumpseller API vs URLScan.io

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

APIJumpseller APINEW—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 limitUnpublished30 req/window · 29 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

Jumpseller API vs URLScan.io: common questions

Which is more reliable, Jumpseller API or URLScan.io?

On our scheduled checks, URLScan.io leads on measured uptime — Jumpseller API 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 Jumpseller API and URLScan.io need an API key?

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

Can I call Jumpseller API and URLScan.io from the browser?

Only Jumpseller API 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 Jumpseller API and URLScan.io free for commercial use?

Jumpseller API 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.