course-site/app/Http/Controllers/Api/ExampleController.php

<?php

/*
 * This file is part of the Jiannei/lumen-api-starter.
 *
 * (c) Jiannei <longjian.huang@foxmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use Jiannei\Response\Laravel\Support\Facades\Response;

class ExampleController extends Controller
{
    public function test()
    {
        return Response::success(['status' => 'ok']);
    }
}