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    Unavailable

    A special state for an entity that Home Assistant can't reach right now. Its counterpart, unknown, means it can be reached but has no value yet.

    In code
    STATE_UNAVAILABLESTATE_UNKNOWNavailable
    Also
    unknown

    An integration marks its entities as unavailable when the device is offline or the API fails, by setting available to False. It never reports a made-up value instead.

    Related terms

    • StateThe current value of an entity, like `on`, `21.5`, or `playing`, together with its attributes.
    • CoordinatorA helper that fetches data for many entities at once, on a schedule, so a device or API is asked once instead of once per entity.