Rate limiting controls how often a user can make requests to an API, preventing abuse. Libraries like express-rate-limit
can be used for this purpose:
const rateLimit = require('express-rate-limit');
const limiter = rateLimit({
windowMs: 15 * 60 * 1000, // 15 minutes
max: 100 // Limit each IP to 100 requests per windowMs
});
app.use(limiter); // Apply rate limiting to all requests