Server Endpoints in Svelte

From the SvelteKit cheat sheet · API Routes · verified Jul 2026

Server Endpoints

Creating RESTful API endpoints

javascript

// +server.js
import { json } from '@sveltejs/kit';

export async function GET() {
  return json({ message: 'Hello' });
}

export async function POST({ request }) {
  const data = await request.json();
  return json({ received: data });
}

🔗 RESTful endpoints with +server.js files

🔒 Access to cookies and authentication

📊 Full HTTP method support

⚡ Automatic error handling and status codes

More Svelte tasks

Streaming & SSE

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