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Cloudflare Workers documentation

Cloudflare Workers provides a serverless execution environment that allows you to create entirely new applications or augment existing ones without configuring or maintaining infrastructure.

Get startedView the tutorials


Installing the Workers CLI

To install wrangler, the Workers CLI, ensure you have npm installed, preferably using a Node version manager like nvm. Then, run:

$ npm install -g @cloudflare/wrangler

Read more about installing wrangler.


Playground

View this Hello World example in the Workers playground:

addEventListener("fetch", event => {  event.respondWith(handleRequest(event.request))})
async function handleRequest(request) {  return new Response("Hello world")}

Launch playgroundLearn more



Community

You can connect with the Workers community on Discord to ask questions, show off what you’re building, and discuss the platform with other developers.

Follow @CloudflareDev on Twitter to learn about product announcements, new tutorials, and what's new in Cloudflare Workers.


These docs are built with the Cloudflare Docs Engine.