API Routes for Laravel API. Notice that there is an auth middleware on logout route

api.php

<?php

use Illuminate\Http\Request;

/*
|--------------------------------------------------------------------------
| API Routes
|--------------------------------------------------------------------------
|
| Here is where you can register API routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| is assigned the "api" middleware group. Enjoy building your API!
|
*/
Route::group(['prefix' => 'v1'], function () {
    Route::post('/login', 'UsersController@login');
    Route::post('/register', 'UsersController@register');
    Route::get('/logout', 'UsersController@logout')->middleware('auth:api');
});