src/VPS/MailChimp.php
public function setApiKey($apiKey)
    {
        $this->apiKey = $apiKey;
        list(, $datacentre) = explode('-', $this->apiKey);
        $this->apiUrl = str_replace('<dc>', $datacentre, $this->apiUrl);
    }
public function setApiKey($apiKey)
    {
        $this->apiKey = $apiKey;
        list(, $datacentre) = explode('-', $this->apiKey);
        $this->apiUrl = str_replace('<dc>', $datacentre, $this->apiUrl);
    }
Method to Set Api Key
@param string $apiKey