Never bounce again.
Find and verify email addresses.

Every bounced email damages your sender reputation. We clean your lists so your campaigns hit the inbox, every time.

Clean your first list for free

Email Verification

Our 30-step verification engine probes SMTP, MX, and DNS records to eliminate bounces.

Lead Discovery

Find professional email addresses for any company domain with instant validation.

Infrastructure

Fast, high-volume verification.

Whether you upload a list of 100,000 contacts or check emails in real-time at signup,
we catch the bad addresses before they bounce.

30-Step Verification

We don't just check syntax. We ping SMTP servers, verify MX records, and test for catch-alls to ensure your emails actually land.Eliminate hard bounces entirely.

› init_30_step_probe()

... syntax_check [OK]

... mx_record_resolve [OK]

... deep_smtp_ping [OK]

... catch_all_test [OK]

verify_status: VALID

Disposable Domain Lists

Stop fake signups before they hit your database. We maintain an active index of over 150,000 disposable domains to block temporary emails on the spot.

mailinator.com

temp-mail.org

10minutemail.com

guerrillamail.com

yopmail.com

sharklasers.com

dispostable.com

Spam & Honeypot Checks

Hitting a honeypot can ruin your sender reputation instantly. We identify and strip out known spam traps so you never accidentally email one.

Incoming Data

honeypot_match

spam_trap

THREATS
BLOCKED

Predictive Scoring

Not every valid email is safe to send to. We analyze historical bounce data to flag risky addresses before you launch your campaign.

Scoring email

99.8

Confidence

Email Discovery

Direct access to the
right people.

Stop guessing or scouring LinkedIn. Simply provide the name and company domain, and our discovery engine will identify the verified email address you need.

The fastest path to the inbox.

Finding the right email shouldn't feel like detective work. Whether you're reaching out to a single prospect or a list of a thousand, we look and find emails using our proprietary in-house technology to identify the one that actually works.

It's built for sales teams who value their time and need to reach people where they actually are: their inbox. No more "InMails" that go ignored for weeks.

Bulk Discovery

Upload a list and find thousands of emails in minutes.

Real-time Lookup

Instant results for single searches when you're on the move.

Intelligent Search

Steve

Jobs

apple.com

Find Email

Confidence: High

MATCH

Direct Address

steve@apple.com

Advanced Technology

Powerful infrastructure for high-deliverability

Clean your lists, protect your reputation, and reach the inbox with our industry-leading suite.

Multi-Server SMTP Checks

We use a global network of servers to bypass greylisting and ensure accurate mailbox probing without delays.

Fast Bulk Verification

Process millions of email addresses in minutes with our high-speed, distributed verification engine architecture.

Advanced Spam Detection

Identify honeypots and spam traps using our massive, proprietary database of known malicious and inactive addresses.

Disposable Domain Tracking

We track 3,000+ temporary email providers and 150,000+ domains to ensure no disposable emails enter your list.

Catch-all Identification

Automatically detect domains that accept all mail, allowing you to segment and protect your sender reputation.

AI-Powered Risk Scoring

Predict deliverability and detect high-risk emails with our AI-integrated risk-scoring engine.

Reliability

Infrastructure you don't have to think about.

We process billions of requests with zero downtime. From our global edge network
to strict data privacy, your verifications are fast and secure.

Global Edge Network

Verification nodes across 15+ regions ensure API responses in under 200ms.

100% Uptime

Globally redundant architecture ensures your real-time signup flows never break.

GDPR Compliant

Fully compliant with GDPR and CCPA. We don't sell or share your data.

Zero-Log Policy

We verify your lists and delete them. No caching, no long-term storage.

Rate-Limit Resilient

Upload lists of any size. Our systems handle millions of concurrent checks without throttling.

Dynamic Handshaking

We constantly update our SMTP handshakes to bypass strict firewalls without getting blocked.

Developer API

Build with LeadPure Infrastructure

Integrate enterprise-grade email verification into your application with a few lines of code. Low latency, high accuracy.

Real-time Probing

Sub-500ms response times for instant validation at point of entry.

Bulk Asynchronous Jobs

Submit lists of millions and receive webhooks when complete.

Secure & Stateless

Authentication via high-entropy scoped API keys.

1// Single Email Verification
2const response = await fetch('https://leadpure.co/api/v1/verify', {
3  method: 'POST',
4  headers: {
5    'Authorization': 'Bearer YOUR_API_KEY',
6    'Content-Type': 'application/json'
7  },
8  body: JSON.stringify({
9    email: 'hello@example.com'
10  })
11});
12
13const result = await response.json();
14console.log(result.status); // "deliverable"

API V1.0 STABLE

Native Integrations

Connect your entire tech stack

Connect LeadPure to your favorite marketing platforms and automate your email hygiene. We sync your lists in real-time.

Mailchimp

Sync audiences automatically

HubSpot

Clean your CRM contacts

Zapier

Connect to 5,000+ apps

SendGrid

Verify lists before sending

Salesforce

Maintain lead database hygiene

Brevo

Automated transactional verification

Performance Metrics

The ROI of clean email lists

Stop guessing and start delivering. See the immediate impact of enterprise-grade verification on your campaign performance.

98%

Bounce Reduction

Near-total elimination of hard bounces across all ESPs.

2.5x

Open Rate Boost

Significant increase in inbox placement and user engagement.

100%

Reputation Protection

Zero blacklisting incidents reported by our clients.

Subscriptions

Professional Subscriptions.

Monthly credits are refreshed every 30 days to ensure you always have the most competitive rate for your predictable outreach needs.

10% OFF

Basic

~~$20~~$10/mo

for the first 2 months

25,000 Credits

Reset every 30 days

✓25,000 Credits
✓30-step email verification
✓Complete SMTP probe
✓Email finder tool access
✓Bulk processing
✓API and Webhook

Medium

~~$30~~$15/mo

for the first 2 months

50,000 Credits

Reset every 30 days

✓50,000 Credits
✓30-step email verification
✓Complete SMTP probe
✓Email finder tool access
✓Bulk processing
✓API and Webhook

Heavy

~~$50~~$25/mo

for the first 2 months

100,000 Credits

Reset every 30 days

✓100,000 Credits
✓30-step email verification
✓Complete SMTP probe
✓Email finder tool access
✓Bulk processing
✓API and Webhook
✓Dedicated support
✓Spam checks on all verification
✓No API rate limits

Giant

~~$100~~$50/mo

for the first 2 months

350,000 Credits

Reset every 30 days

✓350,000 Credits
✓30-step email verification
✓Complete SMTP probe
✓Email finder tool access
✓Bulk processing
✓API and Webhook
✓Dedicated support
✓Spam checks on all verification
✓No API rate limits

"LeadPure reduced our bounce rate from 15% to nearly zero in one week. The SMTP probing is incredibly accurate compared to other tools we've tried."

Tanvir Ahmed

Lead Generation Manager

Frequently Asked Questions

Explore your data, build your dashboard,
bring your team together.

LeadPure is a professional email verification and discovery platform. We help businesses clean their email lists to prevent bounces, identify high-risk addresses like spam traps, and find new verified leads by company domain.

We guarantee 99% accuracy. Our engine performs a 30-step validation process, including deep SMTP probing and real-time DNS checks, to ensure every email is valid and safe to send.

The Verifier cleans your existing lists of emails, while the Lookup tool helps you find new email addresses for specific companies. Both use our high-precision verification engine to ensure quality.

Yes. We track 3000+ temporary email providers and have 150,000+ domains listed to ensure we catch all disposable domains. LeadPure also identifies catch-all servers and role-based addresses (like support@ or info@) to help you segment your lists effectively.

One credit is used for each successful email verification or lookup. Our Starter plan includes 100 free credits per month, while paid plans offer higher volumes and advanced features like API access.

Absolutely. LeadPure provides a low-latency API and automated webhooks, making it easy to integrate verification directly into your signup forms, CRM, or marketing automation tools.

Ready to clean your email lists?

Join thousands of marketers and developers using LeadPure to maintain
high deliverability and discover new leads with 99% accuracy.

Start for free

Maximizing deliverability with real-time email verification and professional lead discovery.

Product

Email Verifier Email Finder Verify Free Pricing Compare

Resources

API Docs Integration Docs

Legal

Never bounce again.Find and verify email addresses.

Fast, high-volume verification.

30-Step Verification

Disposable Domain Lists

Spam & Honeypot Checks

Predictive Scoring

Direct access to the right people.

The fastest path to the inbox.

Powerful infrastructure for high-deliverability

Multi-Server SMTP Checks

Fast Bulk Verification

Advanced Spam Detection

Disposable Domain Tracking

Catch-all Identification

AI-Powered Risk Scoring

Infrastructure you don't have to think about.

Global Edge Network

100% Uptime

GDPR Compliant

Zero-Log Policy

Rate-Limit Resilient

Dynamic Handshaking

Build with LeadPure Infrastructure

Real-time Probing

Bulk Asynchronous Jobs

Secure & Stateless

Connect your entire tech stack

Mailchimp

HubSpot

Zapier

SendGrid

Salesforce

Brevo

The ROI of clean email lists

Bounce Reduction

Open Rate Boost

Reputation Protection

Professional Subscriptions.

Basic

Medium

Heavy

Giant

Frequently Asked Questions

Ready to clean your email lists?

Never bounce again.
Find and verify email addresses.

Direct access to the
right people.