Home assistant long lived access token guide (2026)

A Home Assistant long lived access token is a persistent authentication credential that allows external applications and automation platforms to interact with a Home Assistant instance via its REST or WebSocket APIs, providing access to functionalities such as reading entity states, calling services, and triggering custom events. Unlike short-lived tokens, these tokens do not expire unless manually revoked, making them suitable for ongoing integrations but necessitating careful security measures, such as storing them in environment variables or secrets managers and not committing them to version control systems. While tokens inherit the full permissions of the user account, one can limit access by creating a dedicated non-admin user account for specific integrations. The guide emphasizes real-world applications through CodeWords workflows and stresses the importance of naming tokens descriptively for audit purposes, illustrating best practices for securely managing and utilizing these tokens in smart home automation.

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