express-rate-limit-redis-sliding

A high-performance Express rate-limiting middleware using Redis Atomic Lua scripts and a sliding-window algorithm.

Installation

npm install express-rate-limit-redis-sliding ioredis

Usage

import express from 'express';
import Redis from 'ioredis';
import { rateLimit } from 'express-rate-limit-redis-sliding';

const app = express();
const redis = new Redis();

const limiter = rateLimit({
  redis,
  windowMs: 60 * 1000, // 1 minute
  max: 100, // 100 requests per window
});

app.use(limiter);

app.get('/api', (req, res) => {
  res.send({ status: 'OK' });
});

app.listen(3000);