The card CVV and a token to retrieve it from the JSON getCard API function can be included as form url encoded POST data in the body of the push.
<span style="color: #f3e504; font-size: 150%;" >{{#fas:lightbulb}} </span> If you need to differentiate between multiple properties, an easy way is to include a property parameter in your URL
https://myserver.com/propid=1234