logSystem-advance/api/config/main.php

<?php
$params = array_merge(
    require __DIR__ . '/../../common/config/params.php',
    require __DIR__ . '/../../common/config/params-local.php',
    require __DIR__ . '/params.php',
    require __DIR__ . '/params-local.php'
);

return [
    'id' => 'app-api',
    'basePath' => dirname(__DIR__),
    'bootstrap' => ['log'],
    'modules' => [
        'v1' => [
            'class' => 'api\modules\v1\Module'
        ],
		'v2' => [
			'class' => 'api\modules\v2\Module'
		],
    ],
    'controllerNamespace' => 'api\controllers',
    'components' => [
        'user' => [
            'identityClass' => 'common\models\User',
            'enableAutoLogin' => false, // API change to false
            'enableSession' => false,  // API ++
            'loginUrl' => null // API ++
        ],
        'log' => [
            'traceLevel' => YII_DEBUG ? 3 : 0,
            'targets' => [
                [
                    'class' => 'yii\log\FileTarget',
                    'levels' => ['error', 'warning'],
                ],
            ],
        ],
        'request' => [
            //'class' => '\yii\web\Request',
            //'enableCookieValidation' => false,
            //'parsers' => [
            //    'application/json' => 'yii\web\JsonParser',
            //],
			'baseUrl' => '/api',
            'cookieValidationKey' => 'O1d232trde1xww-M97_7QvwPo-5QGdkLMp#@#@',
        ],
        /*'errorHandler' => [
            'errorAction' => 'site/error',
        ],*/

		'urlManager' => [
			'enablePrettyUrl' => true,
			'enableStrictParsing' => true,
			'showScriptName' => false,
			'rules' => [
                [
                     'class' => 'yii\rest\UrlRule',
                     'controller' => [
                         'v1/site'
                     ]
                 ],
                 [
                     'class' => 'yii\rest\UrlRule',
                     'controller' => [
                         'v2/site'
                     ]
                 ]
			],
		],

        'db' =>   require __DIR__ . '/../../common/config/db.php'
    ],
    'params' => $params,
];