> ## Documentation Index
> Fetch the complete documentation index at: https://upstash-vector.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

# Upstash Rate Limit

[![Tests](https://github.com/upstash/ratelimit/actions/workflows/tests.yaml/badge.svg)](https://github.com/upstash/ratelimit/actions/workflows/tests.yaml)
![npm (scoped)](https://img.shields.io/npm/v/@upstash/ratelimit)

It is the only connectionless (HTTP based) rate limiting library and designed
for:

* Serverless functions (AWS Lambda, Vercel ...)
* Cloudflare Workers
* Vercel Edge
* Fastly Compute\@Edge
* Next.js, Jamstack ...
* Client side web/mobile applications
* WebAssembly
* and other environments where HTTP is preferred over TCP.

You can find the Github Repository [here](https://github.com/upstash/ratelimit).