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Emailvalidation vs Lobsters

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

APIEmailvalidationNEW—LobstersNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Emailvalidation vs Lobsters: common questions

Which is more reliable, Emailvalidation or Lobsters?

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

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

Can I call Emailvalidation and Lobsters from the browser?

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

Are Emailvalidation and Lobsters free for commercial use?

Emailvalidation has unclear commercial terms, and Lobsters 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.