index.js

const { request, response } = require('express');
const express = require('express');
const Razorpay = require('razorpay');

const app = express();

const PORT = 8000;

app.use(express.static('./public'));
app.use(express.json());

app.post('/order', async (request, response) => {

    const amount = request.body.amount;

    if (!amount) return response.json({ message: 'Please provide amount' })

    // Create a razorpayInstance
    const razorpayInstance = new Razorpay({ 
        key_id: '<YOUR_KEY_ID_HERE>',
        key_secret: '<YOUR_SECRET_HERE>',
     });

     const paymentOptions = {
        amount: amount * 100,
        currency: 'INR',
        receipt: '#1',
     };

     const razorpayOrder = await razorpayInstance.orders.create(paymentOptions);

     return response.json({ 
        message: 'success', 
        order: razorpayOrder 
    });

});


app.listen(PORT, () => console.log(`Express server started at PORT:${PORT}`));