Stop fake signups
at the gate.
LeadCop validates every submission in real time. We instantly filter out disposable emails, bots, and low-conversion role accounts before they pollute your pipeline or CRM.
Live Validator
Real-time email intelligence engine
Type an email to see LeadCop classify it in real time.
Try Examples
2.4M+
signups checked
99.7%
accuracy rate
<100ms
average decision time
5 min
typical setup
Why teams use LeadCop
Built to remove friction,
not add it.
Keep bad data out, keep good leads moving. LeadCop acts as a seamless gateway that ensures only high-quality contacts reach your team.
Cleaner pipelines
Keep junk addresses out of sales workflows, onboarding, and marketing automation from the start.
Lower ad waste
Paid traffic stops turning into fake submissions, which makes channel performance easier to trust.
Better deliverability
Valid inboxes mean fewer bounces, stronger sender reputation, and more dependable campaign data.
How it works
Three steps to a cleaner funnel
No redesign, no custom flow, no complicated setup sequence. Just install, check, and keep the good data.
01
Connect LeadCop
Add one script or install the WordPress plugin. LeadCop attaches to your forms automatically.
02
Check every signup
Disposable, typo, relay, and role-based emails are classified in real time before they enter your CRM.
03
Keep the good leads
Real visitors move through the form normally while bad data gets blocked or flagged instantly.
Installation
One line of code on any website.
LeadCop works with static HTML, React, Next.js, WordPress, and form builders. You keep your existing stack and add protection on top.
<!-- Paste just before </body> -->
<script
src="https://leadcop.io/temp-email-validator.js"
data-api-key="YOUR_API_KEY">
</script>Paste the script once and LeadCop protects every signup form it can detect on the page.
View developer docsCoverage
Everything you need to
validate emails instantly
Understand email quality in real-time without technical complexity. Precision checks for every contact.
Disposable Email Detection
Instantly blocks 200,000+ burner and temporary email providers. Updated daily to catch new domains.
Email Forwarding Detection Instantly
Detects hidden relay services and forwarding domains used to mask real user identities.
MX Records Validation
Verifies that the domain's mail servers are configured and capable of receiving mail.
Public Email Detection
Identifies personal email providers like Gmail or Yahoo, perfect for B2B segmentation.
Smart Email Suggestions
Intelligently catches common domain typos like gmial.com and suggests the correct fix.
Role Account Detection
Flags shared addresses like support@ or admin@ that often lead to poor conversions.
Comprehensive TLD ValidationNew
Cross-references every email against a database of 1,400+ official TLDs to catch invalid extensions and malformed domains.
Social Proof
Trusted by security specialist
& marketing teams.
“Our CRM stopped filling up with junk the same day we installed it. The blocked data insights are eye-opening.”
Marcus T.
E-commerce founder
“The plugin was simple enough that marketing handled setup without engineering. It just works.”
Rachel K.
Growth consultant
“Paid signup campaigns became easier to trust because fake leads dropped off immediately. Highly recommend.”
David M.
SaaS operator
Pricing information is currently unavailable.
Newsletter
Practical notes on lead quality.
Weekly product updates, anti-spam tactics, and lessons from teams cleaning up acquisition funnels.