Try this, it will work: http://admin:admin@127.0.0.1:8084/rest/channel/meter0/ActivePower
and also I discussed about Rest Api endpoints before, it might be helpful: Using REST Api to get static info of the devices
Try this, it will work: http://admin:admin@127.0.0.1:8084/rest/channel/meter0/ActivePower
and also I discussed about Rest Api endpoints before, it might be helpful: Using REST Api to get static info of the devices