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MailboxValidator Free Email Checker vs MangaTranslate API

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

APIMailboxValidator Free Email CheckerHEALTHY96MangaTranslate APIHEALTHY96
Uptime · 30d
Uptime · 90d99.44%100%
Uptime · 30d98.3%100%
P50 · ms248330
P95 · ms1138876
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree tier — API key required
Rate limitUnpublished
In directory since2026-07-052026-10-04
operationalpartialdownno data

MailboxValidator Free Email Checker vs MangaTranslate API: common questions

Which is more reliable, MailboxValidator Free Email Checker or MangaTranslate API?

On our scheduled checks, MangaTranslate API leads on measured uptime — MailboxValidator Free Email Checker at 99.44% versus MangaTranslate API at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, MailboxValidator Free Email Checker or MangaTranslate API?

MailboxValidator Free Email Checker has the lower median latency in our checks — MailboxValidator Free Email Checker responds in 248 ms versus MangaTranslate API at 330 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 MailboxValidator Free Email Checker and MangaTranslate API need an API key?

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

Can I call MailboxValidator Free Email Checker and MangaTranslate API from the browser?

Neither sends browser-friendly CORS headers reliably, so call MailboxValidator Free Email Checker and MangaTranslate API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are MailboxValidator Free Email Checker and MangaTranslate API free for commercial use?

MailboxValidator Free Email Checker has unclear commercial terms, and MangaTranslate API 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.