EmailRep vs URLScan.io

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

Uptime · 30d
Uptime · 90d100%97.1%
Uptime · 30d100%95.0%
P50 · ms2771322
P95 · ms7514908
AuthnoneapiKey
CORSnono
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

EmailRep vs URLScan.io: common questions

Which is more reliable, EmailRep or URLScan.io?

On our scheduled checks, EmailRep leads on measured uptime — EmailRep at 100% versus URLScan.io at 97.1% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, EmailRep or URLScan.io?

EmailRep has the lower median latency in our checks — EmailRep responds in 277 ms versus URLScan.io at 1322 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do EmailRep and URLScan.io need an API key?

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

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

Neither sends browser-friendly CORS headers reliably, so call EmailRep 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 EmailRep and URLScan.io free for commercial use?

EmailRep 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.