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Disify vs Emailvalidation

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

APIDisifyNEW—EmailvalidationNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Disify vs Emailvalidation: common questions

Which is more reliable, Disify or Emailvalidation?

On our scheduled checks, Emailvalidation leads on measured uptime — Disify at —% versus Emailvalidation 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 Disify and Emailvalidation need an API key?

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

Can I call Disify and Emailvalidation from the browser?

Yes — both Disify and Emailvalidation send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Disify and Emailvalidation free for commercial use?

Disify has unclear commercial terms, and Emailvalidation 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.