I built an email verification API from scratch

📰 Dev.to · Maulik Jain

Learn how to build an email verification API from scratch and understand the process behind verifying email addresses

intermediate Published 10 Apr 2026
Action Steps
  1. Design the API architecture using a framework like Node.js and Express
  2. Implement the SMTP protocol to verify email addresses
  3. Configure a database to store verified email addresses and results
  4. Test the API with various email addresses and edge cases
  5. Deploy the API to a cloud platform like AWS or Google Cloud
Who Needs to Know This

Developers and engineers who work with email verification services can benefit from understanding how to build an API from scratch, allowing for more control and customization

Key Insight

💡 Building an email verification API from scratch allows for customization and control over the verification process

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🚀 Build your own email verification API from scratch and take control of your email validation needs

Key Takeaways

Learn how to build an email verification API from scratch and understand the process behind verifying email addresses

Full Article

Most email verification services are a black box. You send them an address, they send back a result,...
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