The Email Validation API of Choice for B2B Platforms
Startup to Enterprise
Scales from startups to enterprise data platforms.
Secure & Compliant
Secure, compliant, and enterprise-ready architecture.
Real-Time Verification
Real-time catch-all verification with 99%+ accuracy.
1B+ Emails Verified
1B+ emails verified across industries.
Visualize Your Usage
See usage by workspace with clear charts and exports. Track total volume, pass rates, and the breakdown of valid, invalid, catch_all_valid, and catch_all_invalid over time.
1B+
emails verified
99%
SMTP verification accuracy
99%
catch-all verification accuracy
Secure by Design
Trust that your data is protected. The Listmint API uses secure connections and follows industry-standard privacy practices.
Data is transferred over secure connections.
Data is processed only for verification and removed on a set schedule.
Access is controlled with account permissions and API keys.
Agencies, SaaS platforms, and enterprise growth teams across the globe rely on Listmint to keep their email data clean and accurate, instantly verifying even catch-all addresses that other tools can’t.
Built to Scale
Our email verification API is engineered for scalability and reliability. Businesses of every size, from startups to global platforms, use Listmint to power accurate email verification at high volume.
Ready for Resellers
Embed Listmint in your product and resell verification under your brand. Results return in real time with clear outputs you can pass into your workflows and reports.
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