PHP, curl
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'http://localhost:9091/rest-api/stream/snapshot');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS...