ValidEmail
Email verification service for bulk lists and real-time API checks.
ValidEmail is an email verification service that checks addresses in bulk CSV lists and in real time through an API. It runs syntax, DNS, MX and SMTP mailbox checks, and distinguishes definitive outcomes from temporary mail-server conditions such as greylisting, returning an Unknown state with retry guidance rather than a false rejection. Results include state, reason, score, role, disposable, accept-all, domain and MX signals.
Features include bulk CSV verification with original columns preserved, a real-time API with client examples for JavaScript, Python, C# and PHP (plus docs for Java, Go, Ruby and others), and single-address instant checks. The service also offers catch-all checks for supported Google Workspace and Microsoft 365 domains, disposable and role detection, accept-all and mailbox-full detection, abuse and spam-trap detection, and Zapier integration.
ValidEmail is aimed at developers and marketers who need to clean campaign lists or add verification decisions to signups and lead forms. It is packaged with free credits included, one credit per check, purchased credits that never expire, and no subscription required.
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