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.

Quick Start

Get Started Begin building and publishing your code from the CLI.

Tutorials

Discover what you can build with these step-by-step tutorials.

Templates

Ready-to-use code to get you started.

Hello World

Simple Hello World in JS.

Hello World Rust

Simple Hello World in Rust.

Router

Direct requests to the appropriate handler function.

Fetch

Send requests from your Workers application.

View all templates

Reference