This guide provides a comprehensive walkthrough on integrating the PhonePe payment gateway into a full-stack application using React and Node.js. Starting from setting up the front-end in React to designing a responsive payment interface, you'll learn how to interact with PhonePe’s APIs to handle transactions smoothly. On the back-end, we’ll cover creating secure routes in Node.js to manage payments, verify transactions, and ensure data integrity using encryption and API authentication.

The tutorial includes:

• Initializing the PhonePe SDK and configuring it in React.
• Building a user-friendly payment page with validation using React hooks and state management.
• Setting up the back-end server in Node.js to securely handle payment requests and responses.
• Processing real-time payment status updates and error handling.
• Step-by-step instructions, along with complete source code, to help you quickly integrate PhonePe into any React and Node.js project.

By the end of this guide, you'll have a fully functional PhonePe payment system integrated into your application, ensuring fast, secure, and seamless transactions for users.