Get Started

Welcome to Bun Installation Quickstart TypeScript TypeScript 6 and 7

Watch Mode Debugging REPL bunfig.toml File Types Module Resolution JSX Auto-install Plugins File System Router

Server Routing Cookies TLS Error Handling Metrics

Cookies File I/O Streams Binary Data Archive SQL SQLite S3 Redis Workers Environment Variables Shell Spawn WebView Cron Node-API FFI C Compiler Transpiler CSRF Protection Secrets Console TOML YAML Markdown JSON5 JSONL HTMLRewriter Image Hashing Glob Semver Color Utils Globals Bun APIs Web APIs Node.js Compatibility

Standards & CompatibilityHTTP server

Routing

Define routes in `Bun.serve` using static paths, parameters, and wildcards

Server

Use `Bun.serve` to start a high-performance HTTP server in Bun

Cookies

Work with cookies in HTTP requests and responses using Bun's built-in Cookie API.

On this page

Basic Setup Asynchronous Routes Async/await Promise Route precedence Type-safe route parameters Static responses File Responses vs Static Responses Streaming files fetch request handler