Welcome to SendGrid’s Web API v3! This API is RESTful, fully featured, and easy to integrate with.

Validate email addresses in real-time. Make sure a mailbox really exist.

Email Validation Service. Use ZeroBounce's email validation API to increase your email marketing ROI! Remove invalid email addresses from your list using our unique email verification scrubbing system to prevent email bounces.

Analyse the content of an Email Address and check if it is valid or not. Email API can recode the Email Address if any common error or misspelling is found. The API can also check for invalid or fake DNS. [This API is under maintenance and is not working properly]

Verify Hotmil and Yahoo Mail