After reaching the device details screen as shown in Device details user can also see info about device identifier of selected device, data format, notification payload, protocol, it's API key and endpoint of that device. For that user needs to click on drop-down menu as shown in the following image
On drop-down menu select the "Infopoint" option
After which additional window pops up with Infopoint data
The notification payload contains the updated value of the measures for this device.