403 why this? what am I doing wrong

I am trying to make a simple API request but I receive the 403 code, why?

= 1 && $ getPage<=500)
    {
        $getPageCount = $getPage;
    }
    else
    {
        $getPageCount = '1';
    }


$api_endpoint = 'https://products-export-api.g2a.com/v1/products?page=$getPageCount';

$args = array(
    'headers' => array ($ apiHash, $ apiKey)
);

$ answer = wp_remote_get ($ api_endpoint, $ args);

print $ answer ['body']; ?>