How to create Magic Link authentication system for email verification on Node.js (step-by-step)

Short summary

Tutorial on implementing magic link authentication in Node.js using the auth-verify library for passwordless login. Covers email setup with Gmail, Mailgun, Sendgrid, or Resend APIs, token generation and verification mechanics, and Express.js route implementations. Magic links eliminate password requirements while improving security through secure, expiring tokens.

• •Step-by-step guide to passwordless authentication using magic links in Node.js
• •Integrates multiple email providers (Gmail, Mailgun, Sendgrid, Resend) with complete code examples
• •Uses auth-verify library for token generation, expiration, and verification logic

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