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Berufsbildung Daten Exporte vs MailboxValidator Free Email Checker

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

APIBerufsbildung Daten ExporteNEW—MailboxValidator Free Email CheckerNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
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

Berufsbildung Daten Exporte vs MailboxValidator Free Email Checker: common questions

Which is more reliable, Berufsbildung Daten Exporte or MailboxValidator Free Email Checker?

On our scheduled checks, MailboxValidator Free Email Checker leads on measured uptime — Berufsbildung Daten Exporte at —% versus MailboxValidator Free Email Checker 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 Berufsbildung Daten Exporte and MailboxValidator Free Email Checker need an API key?

Berufsbildung Daten Exporte needs no key, while MailboxValidator Free Email Checker requires a free API key. If you want to start calling without signup, reach for Berufsbildung Daten Exporte first.

Can I call Berufsbildung Daten Exporte and MailboxValidator Free Email Checker from the browser?

Only Berufsbildung Daten Exporte is browser-friendly — it returns CORS headers over HTTPS. MailboxValidator Free Email Checker needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Berufsbildung Daten Exporte and MailboxValidator Free Email Checker free for commercial use?

Berufsbildung Daten Exporte has unclear commercial terms, and MailboxValidator Free Email Checker 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.