Emailvalidation vs The Muse

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

Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms
P95 · ms
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Emailvalidation vs The Muse: common questions

Which is more reliable, Emailvalidation or The Muse?

Both are neck-and-neck — Emailvalidation and The Muse each measure 0.0% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Do Emailvalidation and The Muse need an API key?

The Muse needs no key, while Emailvalidation requires a free API key. If you want to start calling without signup, reach for The Muse first.

Can I call Emailvalidation and The Muse from the browser?

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

Are Emailvalidation and The Muse free for commercial use?

Emailvalidation has unclear commercial terms, and The Muse 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.