$response = CurlRequest::postRequest([
 'link' => env('REPLUG_URL').'oauth/token',
 'data' => [
 'grant_type' => 'authorization_code',
 'client_id' => env('REPLUG_CLIENT_ID'),
 'client_secret' => env('REPLUG_CLIENT_SECRET'),
 'redirect_uri' => env('REPLUG_CALLBACK_URL'),
 'code' => $payload['code'],
],
]);