GET

import { NextRequest, NextResponse } from "next/server";

export async function GET(req: NextRequest) {
  return NextResponse.json([
    {
      data: "sample GET response data",
    },
  ]);
}

POST

export async function POST(req: NextRequest) {
  const receivedPostRequestData = await req.json();

  if (!receivedPostRequestData) throw Error("request body is null");

  return NextResponse.json([
    {
      data: "sample POST response data",
    },
  ]);
}