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Httpbingo vs MailboxValidator Free Email Checker

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

APIHttpbingoHEALTHY95MailboxValidator Free Email CheckerHEALTHY94
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms411527
P95 · ms11031138
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

Httpbingo vs MailboxValidator Free Email Checker: common questions

Which is more reliable, Httpbingo or MailboxValidator Free Email Checker?

Both are neck-and-neck — Httpbingo 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, Httpbingo or MailboxValidator Free Email Checker?

Httpbingo has the lower median latency in our checks — Httpbingo responds in 411 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 Httpbingo and MailboxValidator Free Email Checker need an API key?

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

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

Only Httpbingo 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 Httpbingo and MailboxValidator Free Email Checker free for commercial use?

Httpbingo 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.