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Email validation should be accurate, unlimited, and fair
Most validation tools meter every check, hide the good stuff behind credits, and still hand you a shrug when a domain is tricky. We built Truelist to do the opposite: validate as much as you want, at one flat price, with answers you can actually trust.
Why we built Truelist
We’ve spent our careers inside email — building the tools, running the deliverability, and watching good marketers get burned by problems that weren’t their fault. Invalid addresses quietly wreck your sender reputation. Catch-all domains come back as “unknown.” And almost every tool charges by the credit, so cleaning a list feels like feeding a parking meter.
We thought email people deserved better. So we made validation that’s genuinely unlimited, priced it flat and fair, and obsessed over getting the hard cases right instead of guessing. The goal is simple: protect your reputation, improve your deliverability, and never make you think about credits again.
What we believe
Three principles, in our name
Accurate
We don't stop when a domain says “accept-all.” Truelist layers SMTP checks, automated browser verification, and third-party data to resolve the “unknowns” other tools give up on — up to 2x more accurate results.
Unlimited
Validate lists, single emails, or real-time signups as much as you want on one flat monthly price. No per-email credits, no overages, no watching a meter while you clean your list.
Fair
Transparent pricing, no lock-in, and security you can audit. We’re SOC 2 Type II certified and GDPR compliant, because handling your customers’ data is a responsibility, not a checkbox.
The Team
Created by industry veterans
Grant Ammons is a seasoned software developer and email marketing professional with over 15 years of experience in the industry. He was previously head of engineering at ConvertKit, a leading email service provider for creators.


Corey Haines brings 9 years of startup marketing expertise, having helped scale multiple companies from early-stage to growth. His deep understanding of customer acquisition, email deliverability challenges, and go-to-market strategies informs product strategy and growth.
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