A Completely FREE open-source Email Verification tool that lets you upload a CSV file with an email column and then provides you the validation status of those email addresses
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Jul 3, 2026 - Python
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lead-verification
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A standalone Node.js CLI tool that validates Gmail addresses to determine if they are real and deliverable. Built for campaign lead verification to eliminate email bounces before sending.
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Apr 11, 2026 - JavaScript
InfutorData (part of ActiveProspect, formerly Infutor / Jornaya / LeadiD) is a consumer identity and data-solutions provider that helps marketers identify, understand, and reach consumers while maintaining privacy and compliance.
marketing identity identity-resolution company data-enrichment apis-json consumer-data tcpa-compliance lead-verification
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Aug 2, 2026
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