Introducing @radioac7iv/rate-limiter – A Lightweight API Rate Limiting Library

[0xRadioAc7iv]

Rate Limiter

A lightweight and efficient rate-limiting library for Node.js, designed to help developers control API request rates and prevent abuse.

Key Features

✅ Multiple Storage Backends – Use In-Memory, Redis, or MongoDB based on your needs.
🔄 Dynamic Rate Limiting – Adjust limits on-the-fly per user, IP, or custom rules.
⚡ Framework Agnostic – Seamlessly integrates with Express, Fastify, and NestJS.

Setup

Installation

npm install @radioac7iv/rate-limiter

Usage

Basic example using Express:

import express from "express";
import { expressRateLimiter } from "@radioac7iv/rate-limiter";

const app = express();

// Initialize Rate Limiter Middleware
const rateLimit = expressRateLimiter({
  limitOptions: () => {
    // Allow max 5 requests within 10 seconds per client
    return { max: 5, window: 10 };
  },
});

app.use(rateLimit);

app.get("/", (request, response) => {
  response.status(200).send({ message: "Hello!" });
});

app.listen(3000, () => {
  console.log("Server started at PORT: 3000");
});

Repo Link: Rate Limiter
Docs Link: Docs
NPM Link: npmjs