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

# Overview

[@upstash/redis](https://github.com/upstash/redis-js)
is an HTTP/REST based Redis client built on top of
[Upstash REST API](/redis/features/restapi).

[![Tests](https://github.com/upstash/redis-js/actions/workflows/tests.yaml/badge.svg)](https://github.com/upstash/redis-js/actions/workflows/tests.yaml)
![npm (scoped)](https://img.shields.io/npm/v/@upstash/redis)
![npm bundle size](https://img.shields.io/bundlephobia/minzip/@upstash/redis)

It is the only connectionless (HTTP based) Redis client and designed for:

* Serverless functions (AWS Lambda)
* Cloudflare Workers (see
  [the example](https://github.com/upstash/redis-js/tree/main/examples/cloudflare-workers))
* Fastly Compute\@Edge (see
  [the example](https://github.com/upstash/redis-js/tree/main/examples/fastly))
* Next.js (see [the quickstart](/redis/quickstarts/nextjs-app-router)), Jamstack
* Client side web/mobile applications
* WebAssembly
* and other environments where HTTP is preferred over TCP.

See
[the list of APIs](/redis/features/restapi#rest-redis-api-compatibility)
supported.