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Abstract Email Validation vs What The Commit

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

APIAbstract Email ValidationREACHABLE—What The CommitNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — 100 requests/monthFree — limits not published
Rate limit100 requests/month on free planUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Abstract Email Validation vs What The Commit: common questions

Which is more reliable, Abstract Email Validation or What The Commit?

On our scheduled checks, What The Commit leads on measured uptime — Abstract Email Validation at —% versus What The Commit 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 Abstract Email Validation and What The Commit need an API key?

What The Commit needs no key, while Abstract Email Validation requires a free API key. If you want to start calling without signup, reach for What The Commit first.

Can I call Abstract Email Validation and What The Commit from the browser?

Only Abstract Email Validation is browser-friendly — it returns CORS headers over HTTPS. What The Commit needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Abstract Email Validation and What The Commit free for commercial use?

Abstract Email Validation has unclear commercial terms, and What The Commit 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.