Explore Next.js Route Handlers, which replace API Routes in Next.js 13, in this comprehensive 21-minute tutorial. Learn how to create GET, POST, and other routes for full-stack applications, and retrieve parameters sent with those requests. Dive into topics such as creating example API endpoints, using NextResponse, handling GET parameters with an echo endpoint, implementing dynamically evaluated routes, and setting up a POST Route Handler for forms. Gain practical insights into building robust server-side functionality for your Next.js applications through clear explanations and hands-on examples.