PHP example for getAllBooks call 

$sesskey = "xxxx"; // Your API key here
$params = array(
            "version" => "6.20b",
            "req" => "getAllBooks",
            "o_u" => "demo",
            "u_c" => "demo",
            "sesskey" => $sesskey
            );
$url = "https://timetonic.com/live/api.php";

$result = httpsPost($url,$params,true);
echo "api_response: $result\n";

function httpsPost($url, $params=[], $sync=false)
{
            $post_params = array();
            foreach ($params as $key => &$val) {
                        if (is_array($val))
                                    $val = implode(',', $val);
                        $post_params[] = $key.'='.urlencode($val);
            }
            $queryString = implode('&', $post_params);

            $parts=parse_url($url);
            $path = $parts['path'];
            $host = $parts['host'];

            $fp = fsockopen("ssl://".$host,443,$errno, $errstr, 30);

            fputs($fp, "POST $path HTTP/1.1\r\n");
            fputs($fp, "Host: $host\r\n");
            fputs($fp, "Content-type: application/x-www-form-urlencoded\r\n");
            fputs($fp, "Content-length: ".strlen($queryString)."\r\n");
            fputs($fp, "Connection: close\r\n\r\n");
            fputs($fp, $queryString . "\r\n\r\n");

            $response = "";
            if ($sync) {
                        while (!feof($fp)) {
                                   $response .= fgets($fp, 128);
                        }
            }
            fclose($fp);
            return $response;
}