---
title: H3
description: Universal, Tiny, and Fast Servers
url: "https://vercel.com/kb/h3"
published: 2026-06-11
last_updated: 2026-06-11
install_vercel_plugin: npx plugins add vercel/vercel-plugin
---

# H3

Universal, Tiny, and Fast Servers

## All H3 guides

- [How to ship an H3 app on Vercel](/kb/guide/ship-a-h3-app-on-vercel): Deploy an H3 app to Vercel with zero configuration. Learn to configure streaming, middleware, cron jobs, the Bun runtime, and observability.

## Explore other topics in the Vercel Knowledge Base

- [Jev from TypeSafe AI](/kb/jev-from-typesafe-ai): Jev is TypeSafe AI's System One model for fast, typed decisions. It evaluates supplied context and returns choices, scores, and probabilities that applications can use to classify requests, route tasks, and assess proposed actions without generating prose.
- [Vercel Sandbox](/kb/vercel-sandbox): The compute primitive designed to safely run untrusted or user-generated code on Vercel.
- [FDE Field Notes](/kb/fde): Insights from our work with customers. Explore the patterns, diagnostics, and recommendations Vercel’s Forward Deployed Engineers use in production.
- [Software Factory](/kb/software-factory): Software factories put an agent on every stage of your development loop: triage, planning against a live repo checkout, implementation verified with your own checks, and independent review. Work items become draft PRs while you keep the judgment calls.