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home-assistant.io/source/_integrations/websocket_api.markdown
Tom Brien a438d968c7
Clarify details of sensor created by websocket_api (#17118) 
Co-authored-by: Franck Nijhof <git@frenck.dev>
2021-03-24 20:51:04 +01:00

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title description ha_category ha_release ha_quality_scale ha_codeowners ha_domain ha_iot_class ha_platforms
Home Assistant WebSocket API Instructions on how to setup the WebSocket API within Home Assistant.
Other
0.34 internal
@home-assistant/core
websocket_api
sensor

The websocket_api integration set up a WebSocket API and allows one to interact with a Home Assistant instance that is running headless. This integration depends on the http component.

Configuration

# Example configuration.yaml entry
websocket_api:

For details to use the WebSocket API, please refer to the WebSocket API documentation .

Track current connections

The WebSocket API provides a sensor that will keep track of the number of currently connected clients. You can add it by adding the following to your configuration:

# Example configuration.yaml entry
sensor:
  - platform: websocket_api

This will create a sensor called sensor.connected_clients whose value is the total number of connected clients.