OTP Verification API Demo using Node.js, Redis & Nodemailer | Postman Walkthrough
In this video, I demonstrate a complete OTP (One-Time Password) verification system built with Node.js, Express.js, Redis, Nodemailer, and EJS — using Postman for API testing. No coding walkthrough — just a clean implementation demo to show how it works!
🔍 What you'll see:
Sending OTP to email using Nodemailer
Email template preview using EJS
Redis usage for OTP storage with expiry
OTP verification via Express backend
Postman test of all endpoints
📦 Tech Used:
Node.js + Express.js
Redis for OTP storage
Nodemailer for email
EJS for dynamic email content
Postman for API testing
⚡ This setup is perfect for:
Email verification
Password reset flows
Two-factor authentication
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#NodeJS #OTPVerification #ExpressJS #Redis #Nodemailer #PostmanAPI #EmailVerification #BackendDevelopment