https://vercel.com/changelog/zero-configuration-support-for-koa (opens in new tab)

# Zero\-configuration support for Koa **Published:** February 3, 2026 | **Authors:** Jeff See --- Vercel now supports Koa applications, an expressive HTTP middleware framework to make web applications and APIs more enjoyable to write, with zero-configuration. **server.ts** ```typescript import Koa from 'koa' import { Router } from '@koa/router' const app = new Koa() const router = new Router() router.get('/', (ctx) => { ctx.body = { message: 'Hello from Koa!' } }) app.use(router.routes())...