With Version 4 of Assistant Relay, we decided to make a change to how the casting functionality works.
As we utilise CATT, we removed the cast API complexity, and now allow users to send any command to CATT by passing the full CATT command to the API.
It is possible to cast media from several hundred sites
To start casting, send a HTTP POST request to
/api/cast/catt with the following json-encoded body parameter:
Once the media has finished playing, the cast will automatically close