Notification

The gateway supports the following types of notification messages to forward by adding the corresponding MQTT topic or HTTP URL. To receive notifications from a specific end device, add the wildcard $devEUI to the MQTT topic, then replace it with the device EUI when subscribing to this topic.

Join Notification

Report when a device has joined the network via OTAA.

Report Example

{
  "applicationID": 1,
  "applicationName": "server1",
  "deviceName": "1",
  "devEUI": "24e124527f418093",
  "devAddr": "0642fa41",
  "time": "2026-03-12T06:40:13Z"
}

Parameters


Parameter	Type	Description
applicationID	string	Application ID.
applicationName	string	Application name.
deviceName	string	Device name.
devEUI	string	Device EUI.
devAddr	string	Device Address assigned by the network server to the device.
time	string	The time to receive the reply packet from the device.

ACK Notification

Report the device ACK message after sending a confirmed packet to a device.

Report Example

{
  "applicationID": 1,
  "applicationName": "server1",
  "deviceName": "1",
  "devEUI": "24e124527f418093",
  "acknowledged": true,
  "fcnt": 4996,
  "time": "2026-03-12T06:10:30Z"
}

Parameters


Parameter	Type	Description
applicationID	string	Application ID.
applicationName	string	Application name.
deviceName	string	Device name.
devEUI	string	Device EUI.
acknowledged	boolean	Whether receive the confirmed reply packet from the device.
fCnt	integer	Device downlink frame counter.
time	string	The time to receive the reply packet from the device.