get
{protocol}://api.ws.sonos.com/control/api/{version}/groups//playback
Use the getPlaybackStatus command in the playback namespace get the current playback status (transport state) for the group, such as PLAYBACK_STATE_IDLE, PLAYBACK_STATE_BUFFERING, or PLAYBACK_STATE_PLAYING. See the playbackStatus object for details.
The given resource/object identifier is invalid
A client has not provided authorization credentials to perform a command
A client does not have the correct permissions to perform a command
Indicates there was an error occurred when performing a command
Sonos has experience an unexpected condition it is unable to recover from
Player is unable to reach the service.