

VerifyKit
VerifyKit is a fast, accurate email validation API that uses real SMTP checks to keep your lists clean and your deliverability high.
Features
- Email Verification
Tags
- Api
- Software as a Service
- saas-for-business
VerifyKit News & Activities
Recent activities
- nmsde added VerifyKit
- POX updated VerifyKit
nmsde added VerifyKit as alternative to Easy Email Verification, Bounceless, BounceBan and Reacher
VerifyKit information
What is VerifyKit?
VerifyKit is a developer-friendly email validation API built for accuracy, speed, and simplicity. Unlike most validators that rely on guesswork or regex, VerifyKit performs real SMTP checks to confirm if an address truly exists — in milliseconds.
Designed for developers, marketers, and SaaS teams, it delivers clean, structured JSON responses you can integrate in minutes. Whether you’re validating sign-ups, cleaning a marketing list, or protecting your sender reputation, VerifyKit helps you cut bounces, save money, and boost deliverability.
Fast: 200–400 ms average response time Accurate: Real-time SMTP validation Simple API: Built for easy integration Unlimited validations: Fair usage policy
Keep your emails verified, your users real, and your deliverability on point — with VerifyKit.








