api/app/Http/Controllers/Api/Sport.php

<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\Sport as SportModel;
use App\Services\FixtureService;

class Sport extends Controller
{
    public function index()
    {
        $date = request()->input('date', date('Y-m-d'));
        $start = strtotime($date);
        $end = strtotime("+1 day", $start);
        return $this->success(['start' => $start, 'end' => $end]);
//        SportModel::
    }
}