Growth marketers rely on clean data to run experiments, segment audiences, and scale campaigns. Invalid or fake email addresses skew results, waste budget, and hurt deliverability.
Validate emails from product signups, trials, and inbound leads that generic tools fail to confirm.
Real-Time Results, No Emails Sent
Verify instantly without slowing down your growth loops.
7-Step Verification Process
Includes SMTP, DNS, MX, and pattern analysis for highly accurate results.
Built for Scale
Perfect for growth teams running multi-channel campaigns and high-frequency tests
Run Better Experiments with Clean Data
When your lists are inaccurate, A/B test results and attribution models become unreliable. Verified lists mean better data and faster learning cycles.
1B+
emails verified
99%
SMTP verification accuracy
99%
catch-all verification accuracy
Get Over 50% More Valid Contacts
Other tools discard catch-all domains from high-value accounts, limiting your growth potential. Listmint verifies them in real time so you can experiment with a bigger, cleaner dataset.
Proof of Results: 84% Valid vs 55% Industry Average
Generic verifiers confirm only 55% of contacts, limiting your audience size and test reliability. Listmint customers see up to 84% valid contacts, giving you more confidence in your data and your decisions.
Bulk Uploads and Seamless Exports
Quickly clean entire datasets before running reactivation campaigns, onboarding flows, or product announcements. Export results back into your CRM or analytics tools.
Avoid Bounces and Keep Deliverability High
Bounce spikes can damage your sender reputation, which disrupts growth campaigns. Listmint keeps bounces under 1% so your experiments stay accurate and your emails stay in inboxes.
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