src/Client.php
public function market($segment, array $parameters=[]) {
        $baseUrl = $this->marketUrl;
        return $this->nonPublicRequest($baseUrl, $segment, $parameters);
    }
public function market($segment, array $parameters=[]) {
        $baseUrl = $this->marketUrl;
        return $this->nonPublicRequest($baseUrl, $segment, $parameters);
    }
Execute a market API request

@param $segment
@param array $parameters
@return array