Razorpay Payment Gateway using Node.js : Project 01

This project demonstrates how to integrate the Razorpay Payment Gateway into a Node.js + Express backend. It covers the complete flow of generating payment orders, verifying payments using Razorpay signatures (HMAC SHA256), and sending a success response back to the frontend. The project is designed for beginners who want to learn real-world payment integration and for developers building e-commerce, SaaS, booking, or subscription-based applications.

Key Features

✔️ Razorpay Order Creation API

✔️ Payment Verification using Signature

✔️ Secure backend using environment variables

✔️ Simple frontend checkout using Razorpay JS

✔️ JSON-based API responses

✔️ Ready-to-use folder structure for production apps

Tech Stack

Backend: Node.js, Express.js

Payment: Razorpay Orders & Verify API

Security: crypto (HMAC), dotenv

Frontend: HTML + Razorpay Checkout Script

What You Will Learn

How to create a Razorpay account & generate API keys

How to install and configure the Razorpay Node SDK

How to create a secure API for generating orders

How payment verification works internally

How to integrate with a basic HTML frontend to accept payments

Use Cases

E-commerce checkout

Online course payments

Event/booking payments

Donation systems

Subscription apps (extendable)

📁 GitHub Repository

Code Link: https://github.com/jeetusingh247/razo...

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