FullHunt vs URLScan.io

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — key may be required
Rate limitUnpublished30 req/window · 29 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

FullHunt vs URLScan.io: common questions

Which is more reliable, FullHunt or URLScan.io?

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

Both ask you to authenticate — FullHunt uses an API key and URLScan.io uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call FullHunt and URLScan.io from the browser?

Neither sends browser-friendly CORS headers reliably, so call FullHunt and URLScan.io from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are FullHunt and URLScan.io free for commercial use?

FullHunt 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.