We are currently developing a new REST based interface that is more REST-like.
First approaches can be seen in the development branch (and the development downloads).
Remark: If you are using the development client and server you need to use http://<host> in the connection information. The default port is 8888 (can be changed)
In future, this interface will replace the websocket and the old REST interface.
for an overview about the state of the new REST interface.