Home Assistant Developer Docs

Document Structure

Overview. Explains various layers that make up Home Assistant.

Core. Explains how to build new integrations for Home Assistant.

Frontend. Explains how to develop the user interface of Home Assistant.

Android. Explains how to contribute to the Android companion app.

Popular Topics

• Add a new integration
• Translate Home Assistant
• Home Assistant API

Source Code

• Home Assistant Core
• Home Assistant Frontend
• Home Assistant Android

Recent Blog Posts

• Data Update Coordinator now supports Retry After
• The capability_attributes field removed from CalculatedState
• Improved error handling for oauth2 configuration without internet
• TemperatureConverter.convert_interval deprecation
• Service translations removed from WebSocket get_services and REST /api/services

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