Better debugging with Laravel debugbar
Laravel has its own debugging component. Nonetheless, it is always a good practice to make use of Laravel Debugbar since they will give a plethora of good information for the optimization of the application with the help of a Service Provider in order to register the debugbar and attach the output to it.
You also have the option of using the testing and debugging tool Laravel Dusk. It is a browser, which is perfect for API and browser testing applications. Although by default it uses ChromeDriver, you may use any driver compatible with Selenium.