Validate Email Addresses with Realtime API

Welcome to Sendbridge's Email Validation API – the ultimate solution to supercharge your email campaigns! Say goodbye to bounced emails, fake email addresses, and wasted resources. Our cutting-edge API empowers you with real-time email validation, ensuring your emails reach the right inboxes every time. With industry-leading accuracy and lightning-fast response times, our API seamlessly integrates into your workflow, providing you with the tools to achieve higher open rates, better engagement, and improved sender reputation. Don't let invalid email addresses hold you back – discover the power of Sendbridge's Email Validation API today and unlock the full potential of your email marketing efforts!

The API is very easy to use. Just create a free account and set up your first API key.

See example validation API usage in different programming languages



Sample email verification API response


Email validation API response fields description

Field Values Description
email email address An original email address that has been submitted for a test.
freemail true / false Is email based on a freemail service like Gmail, Yahoo, Outlook etc.?
valid_syntax true / false Is the email address syntactically valid?
abnormal_local_part true / false Is the email local part (before @) somehow abnormal?
abnormal_domain true / false Is the email domain part (after @) somehow abnormal?
local_part_too_long true / false Is the email local part (before @) longer than is usual?
shared true / false Is the email local part a shared account?
valid_tld true / false Does the email domain have a valid top-level domain (TLD)?
disposable true / false Is the email address based on email disposable service?
mx_valid true / false Does the domain have a valid Mail Exchanger (MX) DNS records?
a_valid true / false Does the domain have a valid A DNS records?
score 0 - 99 A resulting score of email validation. The higher number is better.
time_taken decimal Time taken to process your API request in seconds.

Email validation API integration examples

Email validation in PHP
Email validation in Python
Email validation in Java
Email validation in C#
Email validation in GO

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Simple & Secure API

Requested using an easy-to-integrate URL structure, delivered in lightweight JSON format, and secured via 256-bit HTTPS encryption.


Verify existence, validity and quality of any email address simply by passing it into the request URL.

Full Validation

Verify email addresses as they come into your system and make sure you only send email to real customers and high-value contacts.