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Arbeitnow vs Emailvalidation

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

APIArbeitnowNEW—EmailvalidationNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree tier — API key required
Rate limit5 req/window · 4 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Arbeitnow vs Emailvalidation: common questions

Which is more reliable, Arbeitnow or Emailvalidation?

On our scheduled checks, Emailvalidation leads on measured uptime — Arbeitnow 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 Arbeitnow and Emailvalidation need an API key?

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

Can I call Arbeitnow and Emailvalidation from the browser?

Yes — both Arbeitnow 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 Arbeitnow and Emailvalidation free for commercial use?

Arbeitnow 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.