Model/Api.php
public function checkServiceDetails($test = false, $serviceId = null, $apiKey = null)
    {
        if (!$test) {
            $uri = rtrim($this->_getApiServiceUri(), '/');
            $result = $this->_fetch($uri);
        } else {
            $uri = $this->config->getApiEndpoint() . 'service/' . $serviceId;
            $result = $this->_fetch($uri, \Zend_Http_Client::GET, null, true, $apiKey);
        }

        if (!$result) {
            throw new LocalizedException(__('Failed to check Service details.'));
        }

        return $result;
    }
public function checkServiceDetails($test = false, $serviceId = null, $apiKey = null)
    {
        if (!$test) {
            $uri = rtrim($this->_getApiServiceUri(), '/');
            $result = $this->_fetch($uri);
        } else {
            $uri = $this->config->getApiEndpoint() . 'service/' . $serviceId;
            $result = $this->_fetch($uri, \Zend_Http_Client::GET, null, true, $apiKey);
        }

        if (!$result) {
            throw new LocalizedException(__('Failed to check Service details.'));
        }

        return $result;
    }
List detailed information on a specified service

@param bool $test
@param null $serviceId
@param null $apiKey
@return bool|mixed
@throws LocalizedException