Accurate, fast and secure email validation service

You invest for better email marketing ROI. We help you find valid emails and connect with your customers. Boost your inbox placement and open rates with 99% accurate real-time email validation software and email deliverability tools like Email Scoring, Email Finder, email testing, and sender reputation monitoring.

Try It Free

Get 100 free monthly email verifications

The No. 1 email validation service for 300,000+ clients

How to validate your email lists with ZeroBounce

Clean your email list(s) with email verification software in three simple steps:


Create an account


Upload your email list for email delivery verification


Download your new clean email list

Send email campaigns with confidence. Join ZeroBounce - the best email verification service available.

Try It Free

Get 100 free monthly email verifications

Definitive online email verification service

ZeroBounce’s email verification service is the solution to email list cleaning and email deliverability issues. Identify and remove:

Clean your email list

Get 100 free monthly email verifications

What happens if I don’t verify my email?

If you’re not using email delivery verification, you might think your business is unaffected.

The truth is - your email sender reputation is at stake.

When you email invalid, fake or spammy email addresses…

Don’t let your company’s email sender score suffer. Boost your conversions with 99% accurate email verification software.

Clean your email list

Get 100 free monthly email verifications

Find valid emails with Email Finder

The best email verification sites won’t let your bounce rate suffer by guessing email addresses.

In three steps, Email Finder helps you grow your email list in real time:

  1. Enter a person’s name
  2. Enter an email domain
  3. Find a valid business email address

Email Finder lets you know who you’re emailing and which types of emails make it onto your email list. Search for email address patterns and use 99% accurate email verification software that finds valid business email addresses and protects your email deliverability.

You’re protected, too - Email Finder never uses stored or processed customer data but uses proprietary technologies to discover new emails and verify them in real time.

Grow your email list

Try Email Finder with 10 free queries

Email deliverability services that help you reach the inbox


Email list validation

Stop email bounces and spam complaints like an email pro. Use the best email verification service for bulk email verification to remove invalid, disposable, and abuse email addresses.

Reduce your bounce rate, increase your open rate, and conquer email deliverability issues once and for all.

Want to stop invalid emails automatically? Use ZeroBounce’s email validation API to add the email list verification tool to your website and registration forms. Our online email verification service ensures only valid emails enter your list.


Score email addresses

Make your email marketing budget count by reaching your most engaged subscribers. Use ZeroBounce’s email scoring, an AI assistant that helps you boost your open and click rates with in-depth insights.

Email validation determines if your email address is real. Email scoring evaluates contacts based on their past email interactions and behaviors.

Email scoring is your solution to pesky catch-all email domains. Use email scoring for actionable data, improved email engagement, and better email marketing ROI.

Learn Moreabout email scoring


Test email deliverability

Test your email content, inbox placement, and email server configuration before your bounce rate increases.

  • Email server testing - Test your email content with 20 email addresses before sending your next campaign. Plus, compare your emails against more than 100 email tests, including email header information, RFC-based testing, DNS, email port checks, DMARC analysis, and more
  • Inbox placement testing - After verifying a list of email addresses, test your subject lines and email content to see if you’re being flagged by spam. Create the perfect email and stop email bounces before they happen

Test and adjust until your emails reach the inbox!

Learn Moreabout email testing


24/7 Blacklist and DMARC Monitoring

Automatically monitor your email domain and IP address with 24/7 monitoring. Get notified of blacklists or other suspicious activity regarding your email authentication.

  • Blacklist Monitor - Observe over 200 blacklist service providers and identify email issues before they hurt your email marketing and sender reputation
  • DMARC Monitor - Protect your email domain from imposters and spoofers. Set up your domain, adjust your DMARC policy, and get instant notifications regarding unwanted activity

It’s your company’s email reputation on the line. Protect it and your email deliverability with comprehensive domain and IP monitoring services.

Create your free accountabout blacklist monitoring


Find valid business emails

Search for new business email addresses reliably. Our Email Finder allows you to search out new business connections with just a name and domain.

We search for possible patterns and validate the address in real time using proprietary technologies. We never process your data to share with our users.

This allows you to email confidently, knowing that your cold emails will reach real people.

Email Finder is perfect for any industry. Used in marketing, sales, journalism, real estate and beyond, boost your email outreach by discovering new leads, recruiting new talent and making new connections that last a lifetime.

Learn Moreabout email finder

Why choose ZeroBounce’s email verification software?

You want results from your email campaigns. We help you achieve them.
Discover why we’re the right partner.

99% accurate email verification

Whether you use bulk email list cleaning or real-time email verification with the API, you’ll get 99% accurate results - guaranteed.

Secure email validation

ZeroBounce is GDPR, SOC 2 Type 2, and PCI compliant. We also use military-grade data encryption to protect your files during the email verification process.

24/7 Customer Support

Reach out anytime via chat, email or phone. Our support team and engineers are here to guide you and help improve your email deliverability.

ZeroBounce email verification for all your favorite platforms

Connect ZeroBounce’s real-time email verification API to the email marketing and delivery platforms you love. Leverage the email list verification tool for bulk email verification or real-time email list cleaning as visitors submit their addresses.

Enjoy email delivery verification for more than 40 popular website builders, CRMs, email delivery service providers, and more.

View all integrations

Guaranteeing email deliverability

When it comes to the best email verification sites, there’s only one name for these clients.

Industry-leading email verification software

Latest From Our Blog

ZeroBounce Makes the Inc. 5000 list for the Fourth Time

We rank no. 1,954 on the 2022 Inc. 5000 list that honors the fastest-growing companies in the U.S.

“It’s the fourth time we’re acknowledged on the list, and our excitement hasn’t dwindled. Nor has our passion to build accurate, fast and reliable email validation and deliverability tools,” says ZeroBounce Founder and CEO Liviu Tanase. “My gratitude goes to our devoted customers and our talented team. To me, they are second to none.”

ZeroBounce has also been recognized on the Inc. 5000 Regionals list twice. Our email validation company ranked no. 52 on this year’s list of the fastest-growing companies in the Southeast.

The best email verification service starts with ZeroBounce

  • Get 100 free monthly email verifications