Laravel 5.6 jwt routing.

api.php

<?php

Route::post('signup', 'AuthController@register');
Route::post('login', 'AuthController@login');

Route::group(['prefix' => 'auth', 'middleware' => 'jwt.auth'], function () {

    Route::get('user', 'AuthController@user');
    Route::post('logout', 'AuthController@logout');

});

Route::middleware('jwt.refresh')->get('/token/refresh', 'AuthController@refresh');