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Abstract Email Validation vs ipify

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

APIAbstract Email ValidationREACHABLE—ipifyHEALTHY—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedn/a
Free tierFree — 100 requests/monthUnlimited
Rate limit100 requests/month on free planNone
In directory since2026-07-052026-05-02
operationalpartialdownno data

Abstract Email Validation vs ipify: common questions

Which is more reliable, Abstract Email Validation or ipify?

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

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

Can I call Abstract Email Validation and ipify from the browser?

Yes — both Abstract Email Validation and ipify send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Abstract Email Validation and ipify free for commercial use?

Abstract Email Validation has unclear commercial terms, and ipify allows commercial use on its free tier. 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.