Lesson 4 · triangle Next.js & Shipping

Route Handlers & Server Actions

Build an API endpoint and a form mutation in the same app.

Before you start

route.ts exports functions named after HTTP methods and speaks the Web Request/Response API — nothing framework-specific. Server Actions are the other direction: functions marked "use server" that a form can call directly, no endpoint required.

5 exercises·up to 72 XP·5/5 hearts