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Berufsbildung Daten Exporte vs MailboxValidator Free Email Checker

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

APIBerufsbildung Daten ExporteHEALTHY86MailboxValidator Free Email CheckerHEALTHY94
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms1098527
P95 · ms36071138
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?

Both are neck-and-neck — Berufsbildung Daten Exporte and MailboxValidator Free Email Checker each measure 100% 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.

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

MailboxValidator Free Email Checker has the lower median latency in our checks — Berufsbildung Daten Exporte responds in 1098 ms versus MailboxValidator Free Email Checker at 527 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

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.