XML-RPC

Unity Engine
1

Is there support for XML-RPC inside Unity? Any help would be appreciated.

2

I’m not the most familiar with all that XML-RPC includes but you might look at our multiplayer features and the remote procedure calls and object synchronization features it offers and see if those play well into your goals:

Networked Multiplayer

3

You could also try using an XML-RPC .Net library:
http://www.xml-rpc.net/