Endpoints

Get

Dynamic parameter

js

src/routes/api/items/[id]/+server.js

// /api/items/1
export async function GET({ params }) {
  const id = params.id;

  if (id == 1) {
    return {
      id,
    };
  }

  throw error(404, "Not found");
}

ts

src/routes/api/items/[id]/+server.ts

import type { RequestHandler } from "@sveltejs/kit";

// /api/items/1
export const GET: RequestHandler = async ({ params }) => {
  const id = params.id;

  if (id == 1) {
    return {
      id,
    };
  }

  throw error(404, "Not found");
};

Query string

js

src/routes/api/items/+server.js

// /api/items?id=1
export async function GET({ url }) {
  const id = url.searchParams.get("id");

  if (id == 1) {
    return {
      id,
    };
  }

  throw error(404, "Not found");
}

ts

src/routes/api/items/+server.ts

import type { RequestHandler } from "@sveltejs/kit";

// /api/items?id=1
export const GET: RequestHandler = async ({ url }) => {
  const id = url.searchParams.get("id");

  if (id == 1) {
    return {
      id,
    };
  }

  throw error(404, "Not found");
};

Post

js

src/routes/api/items/+server.js

export async function POST({ request }) {
  const { param1 } = await request.json(); // or .formData(), or .text(), etc

  return {
    param1,
  };
}

ts

src/routes/api/items/+server.ts

import type { RequestHandler } from "@sveltejs/kit";

export const POST: RequestHandler = async ({ request }) => {
  const { param1 } = await request.json(); // or .formData(), or .text(), etc

  return {
    param1,
  };
};