How to use API Routes in Laravel 5.3

In Laravel 5.3 API routes were moved into the api.php file. But how can I call a route in api.php file? I tried to create a route like this:

Route::get('/test',function(){
     return "ok"; 
});

I tried the following URLs but both returned the NotFoundHttpException exception:

• http://localhost:8080/test/public/test
• http://localhost:8080/test/public/api/test

How can I call this API route?

You call it by

http://localhost:8080/api/test
                      ^^^

If you look in app/Providers/RouteServiceProvider.php you'd see that by default it sets the api prefix for API routes, which you can change of course if you want to.

protected function mapApiRoutes()
{
    Route::group([
        'middleware' => 'api',
        'namespace' => $this->namespace,
        'prefix' => 'api',
    ], function ($router) {
        require base_path('routes/api.php');
    });
}

routes/api.php

Route::get('/test', function () {
    return response('Test API', 200)
                  ->header('Content-Type', 'application/json');
});

Mapping is defined in service provider App\Providers\RouteServiceProvider

protected function mapApiRoutes(){
    Route::group([
        'middleware' => ['api', 'auth:api'],
        'namespace' => $this->namespace,
        'prefix' => 'api',
    ], function ($router) {
        require base_path('routes/api.php');
    });
}