Verify email addresses at scale
Our Email Validation API combines machine learning with real-time checking to keep your lists clean and reputation strong.
How email validation works
Choose your implementation method and start validating emails in minutes. Our flexible API supports both real-time and batch validation workflows.
Email address validation API pricing
Access email validation with Email API plans
Get email validation with an Email API plan, along with powerful sending capabilities, advanced analytics, and expert support.
Usage-based validation
Pay as you go with volume discounts that are automatically applied as your usage grows. There are no hidden fees or extra charges.


Resources to help get you started
Docs
Real Time Email Address Validation - API Reference
Learn how to get started with the API.
Blog
Bulk Email Address Validation in Node.js
See how to integrate bulk email address validation using Node.js.
Guide
Email Deliverability Guide
Improve your email deliverability and reach more inboxes with advice from the experts.
Build your complete email toolkit
Pair email validation with powerful tools to optimize your entire email program.
-
Test for spam triggers, validate links, and optimize load times before sending to your validated lists.
-
Monitor your sender reputation, track bounce rates, and get actionable recommendations to improve inbox placement.
-
Get granular insights about bounces, blocks, and spam reports to maintain list quality.
-
Create dynamic content, segment audiences, and track engagement across your email program.
Get started for free
Join over 335,000 companies that trust Twilio SendGrid to power their email programs. Start with a free trial—no credit card or commitment required.

