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H3 version 2 is ready to try!

H3
Universal, Tiny, and Fast Servers

H(TTP) server framework built on top of web standards for high performance and composability.
Get StartedPlay OnlineView on GitHub
import { H3, serve } from "h3"

const app = new H3().get("/", () => "⚡️ Tadaa!")

serve(app)
  • Runtime Agnostic

    Seamlessly works with any JavaScript runtime, including Deno, Bun, Node.js, Workers, and more. Based on Web Standards and powered by Srvx.

  • Tiny, Composable and Fast

    Small core, with low latency and minimal bundle impact. Designed with composability and maximum compatibility in mind.

  • Ergonomic and Safe API

    Carefully crafted, ergonomic, and strongly-typed APIs with dozens of tree-shakeable built-in utilities.

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