public function listSites($limit, $page, $canary = false)
    {
        if ($this->connector->getURL() === null) {
            return 'Cannot find site URL from configuration.';
        }
        $params = [
          'limit' => $limit,
          'page' => $page,
          'canary' => $canary,
        ];
        $url = $this->connector->getURL().self::VERSION;

        $response = $this->connector->connecting($url, $params, 'GET');

        if (isset($response->sites)) {
            return $response->sites;
        }

        return $response;
    }