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Bacon Ipsum vs MailboxValidator Free Email Checker

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

APIBacon IpsumHEALTHY95MailboxValidator Free Email CheckerHEALTHY94
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d100%100%
P50 · ms359527
P95 · ms13281138
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Bacon Ipsum vs MailboxValidator Free Email Checker: common questions

Which is more reliable, Bacon Ipsum or MailboxValidator Free Email Checker?

On our scheduled checks, MailboxValidator Free Email Checker leads on measured uptime — Bacon Ipsum at 99.02% versus MailboxValidator Free Email Checker 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, Bacon Ipsum or MailboxValidator Free Email Checker?

Bacon Ipsum has the lower median latency in our checks — Bacon Ipsum responds in 359 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 Bacon Ipsum and MailboxValidator Free Email Checker need an API key?

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

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

Only Bacon Ipsum 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 Bacon Ipsum and MailboxValidator Free Email Checker free for commercial use?

Bacon Ipsum 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.