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24 Pull Requests vs MailboxValidator Free Email Checker

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

API24 Pull RequestsNEW—MailboxValidator Free Email CheckerNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
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

24 Pull Requests vs MailboxValidator Free Email Checker: common questions

Which is more reliable, 24 Pull Requests or MailboxValidator Free Email Checker?

On our scheduled checks, MailboxValidator Free Email Checker leads on measured uptime — 24 Pull Requests 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 24 Pull Requests and MailboxValidator Free Email Checker need an API key?

24 Pull Requests needs no key, while MailboxValidator Free Email Checker requires a free API key. If you want to start calling without signup, reach for 24 Pull Requests first.

Can I call 24 Pull Requests and MailboxValidator Free Email Checker from the browser?

Neither sends browser-friendly CORS headers reliably, so call 24 Pull Requests and MailboxValidator Free Email Checker from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are 24 Pull Requests and MailboxValidator Free Email Checker free for commercial use?

24 Pull Requests 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.