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Home Assistant WebSocket API in Home Assistant

websocket_api part of Home Assistant since 0.34

Quality: Internal

Home Assistant WebSocket API is an official Home Assistant integration for Other.

Facts about this integration

Compatible with Home Assistant
yes, official integration
Setup
in configuration.yaml
Kind
Part of Home Assistant itself
Quality scale
Internal – Part of Home Assistant itself, not rated separately.
Installations
5,719 (0.8 % of the installations that share statistics)
Categories
Other
Provides
Sensor
Maintained by
@home-assistant/core

Setup

  1. Nothing to install: this is part of Home Assistant and available as soon as it is running.

Known issues and fixes

9 open issues and 13 bug fixes in the last twelve months are recorded for Home Assistant WebSocket API in the Home Assistant issue tracker. If something does not work, update first: the most recent fix shipped with Home Assistant 2026.10.0.

Open

  • open Reported problem #126754 since September 25, 2024 · 22 reactions · 114 comments · #126754
  • open Reported problem #188385 since October 24, 2026 · 4 reactions · 8 comments · #188385
  • open Reported problem #188356 since October 24, 2026 · 2 reactions · 1 comment · #188356
  • open Reported problem #186472 since October 14, 2026 · 1 reaction · 5 comments · #186472
  • open Reported problem #188311 since October 24, 2026 · 1 reaction · 4 comments · #188311
  • open Reported problem #188383 since October 24, 2026 · 1 reaction · 1 comment · #188383
  • open Reported problem #176034 Affects: Develco AQSZB-110 Develco HMSZB-110 since July 8, 2026 · 0 reactions · 3 comments · #176034
  • open Reported problem #186514 since October 14, 2026 · 0 reactions · 2 comments · #186514

Fixed

Source: the issue tracker of Home Assistant, as of October 29, 2026. The sentences are written by a language model from the titles of the issues; the reports themselves are on GitHub.

Check a specific device for known problems in the product check →

Source of this entry: the official documentation of the integration

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