Accurate, fast and secure email validation service

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.

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:

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

Get 100 free monthly email verifications

Definitive online email verification service

ZeroBounce helps you clean up your email list and make sure your emails get delivered. We find and get rid of:
✅ Email address mistakes
✅ Emails that don't exist or are invalid
✅ Accounts that label you as spam
✅ Traps that catch spam
✅ Temporary or disposable emails
✅ General catch-all addresses
✅ And more (30+ types in total)

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What happens if I don’t verify my email?


If you're not checking your email delivery, you might think everything's fine. But the reality is, your reputation as an email sender is on the line.

When you send emails to addresses that are wrong, fake, or spammy:

✅ Your bounce rate goes up a lot
✅ People opening and clicking on your emails decreases
✅ The success of your email marketing takes a big hit
✅ Your ability to deliver emails in the future gets worse

Don't let your email sender reputation take a hit. Improve your results with 99% accurate email verification software.

Find valid emails with Email Finder

The top-notch email verification sites won't let your bounce rate suffer by making guesses about email addresses.

With Email Finder, you can build your email list in three simple steps:

Enter a person's name.
Enter an email domain.
Find a valid business email address.

It helps you understand who you're reaching out to and ensures that only the right types of emails are added to your list. Use this tool to search for email address patterns and leverage 99% accurate email verification software that identifies valid business email addresses, safeguarding your email deliverability.

Plus, you're in safe hands - Email Finder doesn't use stored or processed customer data. Instead, it relies on proprietary technologies to discover and verify new emails in real time.

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!

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.

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.

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.

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.

Guaranteeing email deliverability

When it comes to the best email verification sites, there’s only one name for these clients.
CASE STUDY
How Copyhackers keeps a clean email list with ZeroBounce

Joana Wiebe and the Copyhackers team are email marketing experts. By using ZeroBounce, they cut down their bounce rate significantly from an already impressive 0.36% to an even better 0.22%. According to Joana, the major advantage of using ZeroBounce goes beyond just reducing bounce rates. It's about sending emails with greater confidence.

CASE STUDY
How ZeroBounce helped MediaShares reduce bounces to almost 0%

MediaShares is a marketing and funding consultancy that helps companies market their offerings to investors through email campaigns. The problem is that a 12% bounce rate caused their ESP to cancel their service. ZeroBounce identified and eliminated every toxic email address and got their ESP to reinstate their account.

CASE STUDY
How Coldlytics delivers accurate data with ZeroBounce’s email validation service

Coldlytics, a company specializing in pinpointing and creating targeted prospects for brands' email lists, faced a common hurdle: up to 50% of new lists contained invalid addresses. Through collaboration with the ZeroBounce API, they systematically eliminate every problematic address, ensuring that the data they present to customers is a solid 100% reliable.

CASE STUDY
How ZeroBounce reduced Image Source bounces from 19% to 0.85%

As a leader in office and managed IT tech, Image Source came to ZeroBounce with a 19% bounce rate. Our 99% accurate email validation service identified and segregated invalid email addresses, lowering their bounce rate to just 0.85%

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ZeroBounce Makes the Inc. 5000 list for the Fourth Time

We proudly secured the 1,954th spot on the prestigious 2022 Inc. 5000 list, a celebration of the fastest-growing U.S. companies.

This marks our fourth appearance on the list, and the thrill is as strong as ever. ZeroBounce Founder and CEO, Liviu Tanase, expressed his gratitude, stating, "It's an honor that never gets old. We're committed to crafting precise, swift, and dependable email validation and deliverability tools."

Kudos are extended to our devoted customers and the exceptional team behind ZeroBounce. Liviu Tanase considers them unparalleled in significance.

Additionally, we clinched the 52nd position on the Inc. 5000 Regionals list for the Southeast, earning recognition for the second time. The journey of growth and excellence continues!

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