Accurate, fast and secure email validation service
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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](https://www.zerobounce.net/members/signin/register)
Get 100 free monthly email verifications
The No. 1 email validation service for 400,000+ clients
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[](#evaluate "Evaluate")
Test the email validator
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Find out how ZeroBounce delivers superior bulk email verification_ⓘ__The process of determining if multiple email addresses are real and configured to receive incoming email messages._ with 99% accurate results. Enter an email address into the email list verification tool or upload a file to verify a list of email addresses for free.
In seconds - learn why ZeroBounce is the best email verification service available.
Upload your list
OR
EmailFull nameVerify
How to validate your email lists with ZeroBounce
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Clean your email list(s) with email verification software in three simple steps:
### STEP 1
Create an account
### STEP 2
Upload your email list for email delivery verification
### STEP 3
Download your new clean email list
Send email campaigns with confidence. Join ZeroBounce - the best email verification service available.
[Try It Free](https://www.zerobounce.net/members/signin/register)
Get 100 free monthly email verifications
Email deliverability services that help you reach the inbox
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Email Validation
Use the best email validation services to clean bulk email lists, reduce your bounce rate, increase your open rate, and conquer email deliverability issues by identifying:
Invalid email addresses
Abuse emails
Spam traps
Disposable emails
Catch-alls
Plus - identify 30+ email types and block invalid emails automatically with the real-time email list validation API.
[Clean your email list](/services/email-validation/)
Email Activity Data_ⓘ__A ZeroBounce service that determines the last known activity (opens, clicks, forwards, or unsubscribes) in the last 30, 60, 90, 180, 365, or 365+ days._
Finding valid email contacts is just the first step.
After cleaning your list, add Activity Data to your report and find your most active subscribers_ⓘ__A contact with a subscription to your email newsletter that consistently opens, clicks, or otherwise interacts with your email messages._. Gain invaluable insights as to which contacts open, click, forward, or unsubscribe from emails in the last 30-180 days. You pick the period; we generate the report.
Activity Data is perfect for helping email marketers segment their lists for optimal campaign performance. Boost your email engagement by targeting those subscribers that you know are ready to open your emails.
[Find my Activity Data](/services/activity-data/)
Email Scoring
Make every email count by scoring each catch-all or valid email address on your list.
Use AI email scoring to analyze segments of your email list. The AI generates a score from 1-10, indicating how likely you are to reach a real person. Scoring takes the guesswork out of those questionable email leads and evaluates each email address based on past and recent behavior.
Leads cost time and money. Make every new email address in your database count by getting actionable data. Improve email engagement and achieve better email marketing ROI.
[Score my emails](/services/email-scoring/)
DMARC monitor
Ever received one of those spammy, phishing emails from someone impersonating a company?
You could be next.
Email security experts - take advantage of dynamic, multi-domain DMARC monitoring_ⓘ__A feature of ZeroBounce’s DMARC Monitor. Users can authenticate more than one email domain and monitor outgoing emails simultaneously via DMARC authentication policies._ and protect your company from email fraud.
In-depth domain verification
Easy DMARC policy setup and customization
Automated reporting for every email sent
Instant alerts for any suspicious email activity
We make DMARC monitoring simple so that you can keep your emails authenticated and secure.
[Monitor my domain](/services/dmarc-monitor/)
Blacklist Monitor
Do you know if your company’s email reputation is at risk?
Retain control of your email domain and IP reputation_ⓘ__A score used by internet service providers to approximate the reliability and trustworthiness of an IP address._ with round-the-clock blacklist monitoring tools. Monitor your domain with over 200 blacklist service providers and identify issues before they hurt your business.
Perfect for monitoring:
Standard email domains
IPv4 addresses
IPv6 addresses
It’s your company’s reputation. Protect your email deliverability and activate your blacklist monitor for 24/7 coverage.
[Try 24/7 monitoring](/services/blacklist-monitoring/)
Email Testing Tools
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!
[Test my emails](/services/email-server-test/)
Email Finder
Search for new business email addresses reliably. Our Email Finder allows you to search out new business email contacts with just a name and domain.
Identify possible company email patterns and validate the address in real time using proprietary technologies. We never process your data to share with our users.
Email Finder is perfect for any industry. Used in marketing, sales, journalism, and beyond, boost your cold email outreach by finding new leads, recruiting new talent, and making new connections. Reach high-quality contacts and decision-makers now.
[Find new B2B emails](/services/email-finder/)
Email Warmup_ⓘ__A service that helps email senders improve their mailing domain and IP reputation by sending genuine email content to predetermined email addresses. Users will gradually increase the volume of emails sent while receiving positive engagement through an automated process._
Improve your company’s email domain and IP reputation with positive email interactions.
Warmup provides an automated way to send company emails to trusted email addresses. We’ll provide healthy engagement, including opens, clicks, favoriting, and forwarding to build or repair your reputation.
Whether you have a brand-new domain or a domain with a problematic history, Warmup gradually builds and repairs your email deliverability so that more customers see your emails in the inbox.
[Try Warmup Now](/services/email-warmup/)
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 - guaranteed
Validate single emails, bulk lists, or signups in real time with our powerful tools.
Top Security & Compliance
* SOC 2 Type 2 & ISO-27001- certified
* GDPR, HIPAA, CCPA
* CloudFlare Enterprise Security
* WAF / DDoS Protection
[Learn more about security](/security/)
The lowest “unknown” rates
The average “unknown” result rate for 2024 was
**1.69%**
And, you’ll never pay for “unknown” results.
24/7 customer support
Average live chat wait time: **20 seconds**
Average reply time: **17 minutes**
Comprehensive [user docs](/docs/)
99.99% API Reliability
Compatible with 16 languages, including Rust, Ruby, Python, JavaScript, and more.
**Average API response time:**
**1.09s**
4.8/5 Stars
Based on more than 2,565 reviews
Fewer catch-all results with Verify+
The average “catch-all” result rate for 2024 was
**10.8%**
Get a personalized plan in <24 hrs
A dedicated account manager will create the perfect plan for your business. Legal and security reviews are returned in less than 24 hours.
ZeroBounce email verification for all your favorite platforms
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Connect ZeroBounce’s real-time email verification API_ⓘ__An API, or application programming interface, that allows an email verification tool to connect and communicate with another software application._ 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 60 popular website builders, CRMs, email delivery service providers, and more.
[View all integrations](/integrations/)
Guaranteeing email deliverability
---------------------------------
When it comes to the best email verification sites, there’s only one name for these clients.
[
CASE STUDY
**How The Links Guy Improves Email Bounce Rates with ZeroBounce**
When The Links Guy and his team hit a 10% bounce rate, they knew something had to change. With their sender reputation at risk, they couldn’t afford to ignore their email list issues any longer. That’s when they reached out to ZeroBounce for help.
Read More
](/case-studies/the-links-guy "CASE STUDY")
[
CASE STUDY
**How Belkins Masters B2B Lead Generation with Better Data**
A high bounce rate can damage your entire email marketing program – and Belkins learned that first-hand. See how ZeroBounce helped the B2B lead generation agency reduce bounce rates by more than 19% and achieve fast, consistent growth.
Read More
](/case-studies/belkins "CASE STUDY")
[
CASE STUDY
**How BarCups Increased Email Engagement to 78% with ZeroBounce**
When the team at BarCups wanted to boost email click rates, they thought changing email service providers would be enough. Learn how their marketing expert at MochaBear Marketing identified an opportunity to increase email engagement with ZeroBounce – by working on their email list quality.
Read More
](/case-studies/barcups "CASE STUDY")
[
CASE STUDY
**How The Workplace Depot reduced their email bounce rates_ⓘ__The percentage of emails that are undelivered vs. delivered to the intended recipient._ and stopped spam complaints**
The Workplace Depot is one of the largest health, safety, and workplace equipment providers for businesses throughout the United Kingdom. But with a 4.60% bounce rate and one too many spam reports, they knew their data quality was poor. Learn how ZeroBounce helped them clean and segment their data with ease.
Read More
](/case-studies/workplace-depot "CASE STUDY")
[
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.
Read More
](/case-studies/mediashares "CASE STUDY")
[
CASE STUDY
**How Coldlytics delivers accurate data with ZeroBounce’s email validation_ⓘ__A process that determines if an email address uses valid syntax, exists on a given domain, and is configured to receive incoming email messages_ service**
Coldlytics is a company that helps brands identify and build highly-targeted prospects for their email lists. The problem is that most new lists feature as much as 50% invalid addresses. By working with the ZeroBounce API, they remove every harmful address and present 100% reliable data to their customers.
Read More
](/case-studies/coldlytics "CASE STUDY")
[
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%**
Read More
](/case-studies/imagesource "CASE STUDY")
[
CASE STUDY
**How Copyhackers keeps a clean email list_ⓘ__A validated email list that contains only valid email addresses._ with ZeroBounce**
Joana Wiebe and her team at Copyhackers know a thing or two about email marketing. With ZeroBounce, the company reduced its bounce rate from an impressive 0.36% to 0.22%. “Aside from fewer concerns about bounce rates, the biggest benefit of using ZeroBounce is sending more confidently.”
Read More
](/case-studies/copyhackers "CASE STUDY")
Industry-leading email verification software
--------------------------------------------
Latest From Our Blog
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[
What Happens When You Don’t Warm Up Your Emails
A smart email warmup strategy ensures your messages land in inboxes instead of spam folders. But what happens if you decide to ...
Read more
](https://www.zerobounce.net/blog/email-resources/email-marketing/email-warmup-strategy "What Happens When You Don’t Warm Up Your Emails")
[
13 Tips to Use Video in Your Email Marketing
Adding video to your email marketing can boost engagement – but you need the right strategy. Here’s what you need to know b...
Read more
](https://www.zerobounce.net/blog/email-resources/email-marketing/video-email-marketing "13 Tips to Use Video in Your Email Marketing")
[
ZeroBounce’s Dan Cotet on the 3 Top Trends in Email Validation
ZeroBounce’s Chief Product Officer Dan Cotet talks about his approach to product development, the most prevalent trends in em...
Read more
](https://www.zerobounce.net/blog/interviews/meet-our-team/email-validation-trends-dan-cotet "ZeroBounce’s Dan Cotet on the 3 Top Trends in Email Validation ")
[
How to Choose the Best CRM Email Performance Tool
Finding the best CRM email tool for your business takes a lot of research. Here’s what you should look for – and the pitfal...
Read more
](https://www.zerobounce.net/blog/email-resources/be-a-better-marketer/crm-email-performance-tool "How to Choose the Best CRM Email Performance Tool")
[
ZeroBounce Report Reveals 28% of Email Lists Go Bad Annually
Santa Barbara, CA, Feb 12, 2025 – Email databases degrade yearly by at least 28%, the latest ZeroBounce Email List Decay Repo...
Read more
](https://www.zerobounce.net/blog/newsroom/press/zerobounce-report-email-list-decay "ZeroBounce Report Reveals 28% of Email Lists Go Bad Annually")
ZeroBounce, a Multiple Inc. 5000 List Honoree
---------------------------------------------
Inc. Magazine recognized ZeroBounce four times on Inc. 5000, the list celebrating the fastest-growing companies in America. What’s more, ZeroBounce made the Inc. 5000 Regionals list twice, which further fueled our passion to build top-tier [email validation](/free-email-verifier/) and [deliverability tools](/services/email-server-test/).
Every day, ZeroBounce helps businesses like yours land their emails in the inbox and boost email marketing ROI. For its role in other companies’ success, ZeroBounce also received the Inc. Power Partner Award. Our company is among “the best B2B providers for small and medium-sized businesses” in the world.
### As Featured On
* [](https://www.inc.com/magazine/202311/staff/how-to-grow-fast-without-breaking-things.html "As seen on INC 5000")
* [](https://www.msn.com/en-ie/money/career/the-unexpected-job-interview-questions-high-performing-ceos-ask-to-secure-top-talent/ar-BB1jyuTk "Msn Logo")
* [](https://money.com/job-application-experience-level/ "ZeroBounce as seen on Money.com")
* [](https://www.buzzfeed.com/sandraqueen/7-highly-efficient-business-tools-for-boosting-gro-1is38 "ZeroBounce as seen on BuzzFeed")
* [](https://www.entrepreneur.com/article/311153 "Entrepreneur Logo")
* [](https://www.forbes.com/sites/alisoncoleman/2021/10/20/three-companies-whose-growth-curves-defied-the-pandemic/?sh=3f638a4b15e3 "ZeroBounce as seen on Forbes")
* [](https://www.starterstory.com/stories/on-creating-an-email-validation-services-with-a-revenue-growth-of-7-000 "StarterStory Logo")
* [](https://natfluence.com/interview/liviu-tanase/ "Natfluence Logo")
The best email verification service starts with ZeroBounce
----------------------------------------------------------
[Try It Free](https://www.zerobounce.net/members/signin/register)
* Get 100 free monthly email verifications
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