npm install express-rate-limit

mkdir test-project
cd test-project
npm init -y

// Express is node framework that helps
// in setting up the server and routing.
const express = require("express");
 
// The express-rate-limit is for
// limiting the incoming request.
const rateLimit = require("express-rate-limit");
 
// App variable store the express module.
const app = express();
 
// Creating a limiter by calling rateLimit function with options:
// max contains the maximum number of request and windowMs
// contains the time in millisecond so only max amount of
// request can be made in windowMS time.
const limiter = rateLimit({
    max: 200,
    windowMs: 60 * 60 * 1000,
    message: "Too many request from this IP"
});
 
// Add the limiter function to the express middleware
// so that every request coming from user passes
// through this middleware.
app.use(limiter);
 
// GET route to handle the request coming from user
app.get("/", (req, res) => {
    res.status(200).json({
        status: "success",
        message: "Hello from the GeeksforGeeks express server"
    });
});
 
// Server Setup
const port = 8000;
app.listen(port, () => {
    console.log(`app is running on port ${port}`);
});

node app.js

app is running on http://localhost:8000/