Purchased lists can be full of outdated, invalid, or risky email addresses. Sending to these contacts without cleaning them first can tank deliverability, waste money, and even get your domain blacklisted.
Validate every lead on your purchased list, including catch-all business domains.
Real-Time Results, No Emails Sent
Clean lists instantly so you can launch campaigns right away without risking deliverability.
7-Step Verification Process
Includes SMTP, DNS, MX, and pattern analysis to separate valid prospects from risky or fake ones.
Built for Scale
Perfect for large lists from data providers or enrichment platforms.
Make Purchased Data Work for You
When you invest in a list, you need to maximize ROI. Verified lists reduce wasted spend and keep campaigns performing.
1B+
emails verified
99%
SMTP verification accuracy
99%
catch-all verification accuracy
Get Over 50% More Valid Contacts
Most tools discard catch-all domains from purchased lists, cutting your audience in half. Listmint verifies them in real time so you can get the most out of your data investment.
Proof of Results: 84% Valid vs 55% Industry Average
Generic verifiers confirm only about 55% of purchased contacts, wasting nearly half your budget. Listmint customers see up to 84% valid results, helping campaigns generate more meetings and deals.
Real-Time API for Automated List Imports
Verify purchased data the moment you receive it by connecting Listmint to your CRM or marketing automation platform.
Support, Dashboards, and Reporting
Monitor the quality of each purchased list and share performance data with stakeholders to prove ROI.
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