Discover the best list of alternative premium and free SFTP APIs.
Simple and powerful email verification JSON API using SMTP, typo checks, syntax validation, and free and disposable provider filtering.
Valid email addresses on the fly for pattern, DNS settings (MX, SMTP), typos and disposable email services.
Prevent bounced emails with world-class email verification with the Highest Accuracy Possible, The API actually connects to the mail server and checks in real-time if the email exists. We check for MTA, MX records, SMTP, hard bounces, catch-all, disposable email, role-based accounts...etc