Abstract Email Validation API
FreemiumLiveLast verified 24 Sept 2026
Checks whether an email address is real and deliverable via syntax, MX, and SMTP checks.
Example request
curl -s 'https://emailvalidation.abstractapi.com/v1/?api_key=$API_KEY&email=johnsmith@gmail.com'
Free tier, in plain English
Free plan allows 100 email checks a month, no credit card needed, with paid plans starting around $17/month for more volume.
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