dcj/app/Http/Controllers/Web/Controller.php

<?php

namespace App\Http\Controllers\Web;

use Illuminate\Routing\Controller as BaseController;
use Illuminate\Foundation\Bus\DispatchesJobs;
use Illuminate\Foundation\Validation\ValidatesRequests;
use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
use Illuminate\Support\Facades\Response;
class Controller extends BaseController
{
    use AuthorizesRequests, DispatchesJobs, ValidatesRequests;
    public function api($data)
    {
        return Response::json($data);
    }

}