H3
Universal, Tiny, and Fast Servers

H(TTP) server framework built on top of web standards for high performance and composability.

import { H3, serve } from "h3"

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

serve(app)

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

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

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

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