Rated 4.8 from over 4,068 reviewsRated 4.8 from over 4K reviews

Email Verification and Deliverability Platform.

ZeroBounce helps you verify emails, clean your list, build your sender reputation, and monitor inbox health, so your emails land where they belong.

99.6% accuracy with real time

Accurate CATCH-ALL validation included

Flexible pricing: pay-as-you-go or subscription

Create a free account

99.6% accuracy with real time

Accurate CATCH-ALL validation included

Flexible pricing: pay-as-you-go or subscription

Create a free account

0B+

Emails Validated

Customers

Years in Business

Proprietary Data
Centers Worldwide

The No.1 email validation service, trusted by the world's leading brands

3 STEPS ON

How to Land in the Inbox

STEP 1

Clean Your List

Validate your emails, remove invalid and risky contacts before you send.

Clean and score your database to prevent bounces, catch spam traps, and protect your sender reputation.

STEP 2

Build Sending Reputation

Show inbox providers you're a trusted sender.

Warm up your domain, test inbox placement, and verify your server setup to improve deliverability before you send.

STEP 3

Monitor Inbox Health

Track performance and catch issues early.

Monitor blacklist status, authentication, and deliverability metrics to keep your emails landing in the inbox.

Email delivery tools that help you reach the inbox

Everything you need to clean, build, and monitor — all in one platform.

Tools & Services

Dashboard preview of email validation results with a phone showing inbox placement

Clean your list for better email deliverability

Remove bad data before you send.ZeroBounce verifies each email with 99.6% accuracy to reduce bounces, protect your sender reputation, and improve overall deliverability.Clean your list ›

Detect invalid, disposable, and inactive addresses
Identify spam traps, abuse emails, and catch-alls
Validate in bulk or in real time with our API
Validate all, including catch-alls and protected by SEGs (Secure Email Gateway)

1Clean Your List

Clean your list for better email deliverability

Remove bad data before you send.ZeroBounce verifies each email with 99.6% accuracy to reduce bounces, protect your sender reputation, and improve overall deliverability.Clean your list ›

Detect invalid, disposable, and inactive addresses
Identify spam traps, abuse emails, and catch-alls
Validate in bulk or in real time with our API
Validate all, including catch-alls and protected by SEGs (Secure Email Gateway)

Email Activity Data dashboard preview with engagement metrics

Increase email engagement

See which contacts are truly engaged.Activity Data shows which subscribers opened, clicked, or interacted with emails in the past 30–180 days, helping you prioritize active contacts and improve your campaigns.

Identify recently active email users
Segment lists based on real engagement signals
Target subscribers more likely to open and act

Email scoring dashboard preview with contact rating cards

Score catch-all email addresses

Take the guesswork out of catch-all and uncertain emails.AI-powered scoring ranks each address from 1–10 based on the likelihood of reaching a real person, helping you prioritize better leads and reduce wasted sends.

Score valid and catch-all emails 1–10
Predict the likelihood of reaching a real inbox
Focus outreach on higher-quality contacts

Email Finder dashboard preview with contact patterns and connections

Free email search for B2B

Find verified professional email addresses.Email Finder helps you discover new contacts using a name and company domain, then validates the address instantly.

Discover new B2B email contacts
Identify company email patterns
Verify addresses in real time

2Build Sending Reputation

Email Warmup dashboard with score progression and weekly chart

Warm your domain for inbox visibility

Build your sending reputation gradually and safely.Email Warmup automates positive email interactions to help new or inactive domains establish trust with inbox providers.

Warm up domains and IPs over time
Generate natural opens and engagement
Improve inbox placement and reputation

Inbox Placement Test dashboard with provider results

Improve your chances of reaching the inbox

See exactly where your emails land before you launch a campaign.Inbox Placement Testing checks deliverability across major providers so you can optimize content and improve inbox rates.

Test inbox vs spam placement
Evaluate performance across major providers
Optimize subject lines and email content

Email Server Testing dashboard with server test results

Test email deliverability

Diagnose technical deliverability issues before sending.Email Server Testing analyzes your authentication, DNS records, and server configuration to identify problems that could affect inbox placement.

Test SPF, DKIM, DMARC, and DNS records
Identify server configuration issues
Detect potential deliverability risks

3Monitor Inbox Health

Blacklist Monitoring dashboard with detection report

24/7 Blacklist checker and monitoring

Know immediately if your domain or IP appears on a blacklist.ZeroBounce continuously checks major spam databases so you can resolve issues before they impact deliverability.

Monitor 200+ global spam blacklists
Track domain and IP reputation
Get alerts if you’re listed

DMARC Monitor dashboard with compliance trends and alert summary

DMARC monitoring & Reporting for email security

Protect your domain from spoofing and email fraud.DMARC Monitor gives you visibility into authentication activity and alerts you to unauthorized senders using your domain.

Monitor DMARC authentication across domains
Detect spoofing and unauthorized senders
Receive alerts and detailed reporting

Check compliance and monitor deliverability in one view

Get a clear view of your deliverability performance in one place.The Deliverability Dashboard shows inbox placement, spam rates, authentication status, and sending health so you can spot issues and stay on track.

Track inbox placement and spam rate trends
Monitor authentication and delivery errors
View performance, compliance, and security status

ZeroBounce ONE™ combines email validation, sender reputation tools, and inbox monitoring into one simple subscription — built for teams who can’t afford to miss the inbox.

Explore ZeroBounce ONE™

ZeroBounce ONE^™

$99/ mo

10,000 Email Validations / Scoring Credits per month

250 Warmups per day

100 Inbox Placement Tests /mo

1 DMARC Monitor Domain

100 Email Server Tests /mo

10 Blacklist Monitors /mo

10,000 Email Finder / Domain Searches /mo

ZeroBounce ONE™ Benefits

Activity Data
+ Gold Recipients ⓘ

Deep Deliverability
Insights ⓘ

Premium API
Rate-Limits

Faster File
Processing

Credits Never
Expire ⓘ

VIP 24/7
Support

Don’t Want to Manage Everything Yourself?

We get it. Deliverability can be technical and high-stakes. Our experts can support you at any stage, or fully manage the process for you.

End-to-end guidance/management

Performance optimization

Proactive reputation protection

Expert customized strategies

Get Expert Help

Why Choose ZeroBounce for Email Verification and Deliverability?

Email Validation Accuracy

99.6%

Validate single emails, bulk lists, or signups in real time with our powerful tools.

Lowest “unknown” Rates

1.69%

Get clearer answers and more usable data — and you never pay for results we can’t verify.

Enterprise-Grade

Security & Compliance

SOC 2 Type II and ISO 27001 certified, GDPR, HIPAA, and CCPA compliant, and protected by Cloudflare Enterprise with advanced WAF and DDoS defense.

Customer Support

24/7

20-second average live chat wait and 17-minute average replies, plus in-depth documentation.

API Reliability

99.99%

1.09-second average response time and support for 16 programming languages.

Avg “Catch-All” Result Rate:

Verify+ helps you identify more catch-all domains with confidence.

EMAIL VALIDATION

Fast Where It Counts. Thorough Where It Matters.

Popular domain lists

Gmail, GSuite, etc. Up to 90% faster than complex domains.

250K Emails

Under 01 min

1M Emails

Under 5 min

Mixed or complex domain lists

We give less popular domains a thorough examination, ensuring you're never stuck with 'unknown' results.

250K Emails

1.0 hrs or less

1M Emails

1 hrs or less

INTEGRATIONS

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

Industry-Leading Email Verification Software

Recognized by trusted industry platforms for performance, accuracy, and customer satisfaction, our email verification software consistently ranks among the top solutions based on real user reviews.