controller->get_namespace(), '/' . $this->controller->get_name() . '/' . $this->get_route(), [ [ 'methods' => 'GET', 'callback' => [ $this, 'get_status' ], 'permission_callback' => [ $this, 'permission_callback' ], ], ] ); } public function get_status( $request ) { return new \WP_REST_Response( [ 'isExpired' => API::is_license_expired(), ], 200 ); } public function permission_callback( $request ) { return is_user_logged_in(); } }