Attributes

Publish Client-Side Attributes

Upload client-side attributes for one or more devices.

Topic: v1/gateway/attributes

{
  "Device A": {"fw_version": "1.0", "battery": 87},
  "Device B": {"fw_version": "2.1", "battery": 92}
}

mosquitto_pub -h "mqtt.thingsboard.cloud" -t "v1/gateway/attributes" -u "$ACCESS_TOKEN" -m '{"Device A":{"fw_version":"1.0","battery":87}}'

Request Attribute Values

Subscribe to the response topic first, then publish the request.

Subscribe: v1/gateway/attributes/response

Publish: v1/gateway/attributes/request

{
  "id": 1,
  "device": "Device A",
  "client": ["fw_version", "battery"],
  "shared": ["targetFwVersion"]
}

Field	Required	Description
`id`	Yes	Integer request identifier — echoed in the response
`device`	Yes	Device name
`client`	No	Client-side attribute keys to return
`shared`	No	Shared attribute keys to return

mosquitto_sub -h "mqtt.thingsboard.cloud" -t "v1/gateway/attributes/response" -u "$ACCESS_TOKEN" &
mosquitto_pub -h "mqtt.thingsboard.cloud" -t "v1/gateway/attributes/request" -u "$ACCESS_TOKEN" -m '{"id":1,"device":"Device A","client":["fw_version"],"shared":["targetFwVersion"]}'

Subscribe to receive push notifications when shared attributes change for any downstream device.

Topic: v1/gateway/attributes (subscribe)

mosquitto_sub -h "mqtt.thingsboard.cloud" -t "v1/gateway/attributes" -u "$ACCESS_TOKEN"

ThingsBoard delivers updates in this format:

{
  "device": "Device A",
  "data": {"targetFwVersion": "2.0", "enabled": true}
}

Attributes

Publish Client-Side Attributes

Request Attribute Values

Subscribe to Shared Attribute Updates