Get

curl -X GET -H "X-ACCESS-TOKEN: YOUR_ACCESS_TOKEN" "https://api.yumpu.com/2.0/embed.json?id=zKtHE23d6R0qT1rf"

require_once('../yumpu.php');
$yumpu = new Yumpu();
$data = array(
    'id' => 'zKtHE23d6R0qT1rf',
);
$listEmbed = $yumpu->getEmbed($data);
print_r($listEmbed);

var yumpu = require('yumpu');
yumpu.setToken('yourToken');
var parameters = {
  id: 'zKtHE23d6R0qT1rf'
};
yumpu.getEmbed(parameters, function(statusCode, document){
   console.log('Status: ' + statusCode);
   console.log(document);
});