ratesync

A simple, pluggable rate limiting middleware for Express.js.

Features

• In-memory rate limiting
• Per-IP tracking
• Configurable window and limit
• Easy to plug into any Express app

Installation

npm install ratesync


import rateLimit from "ratesync"


const limiter = rateLimit({
  windowMs: 60 * 1000, // Time window in milliseconds (default: 1 minute)
  max: 5,              // Max requests allowed per window per IP (default: 5)
  message: "Too many requests. Please try again later.", // Response when limit is exceeded
});


const app = express();

app.use(limiter); // Apply to all routes

app.get("/", (req, res) => {
  res.send("Welcome! You're within the rate limit.");
});

app.listen(3000, () => {
  console.log("Server running on http://localhost:3000");
});




### LICENSE (MIT)*

MIT License

Copyright (c) 2025 Lakshya Rohila

Permission is hereby granted, free of charge, to any person obtaining a copy
...

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND...