Alexa Interface Reference
The Alexa interface reference contains the API definitions for skills that use the pre-built voice interaction model. Use these interfaces in your automotive skills, smart home skills, and video skills to handle requests from Alexa.
In this section
- List of Alexa Interfaces
- Alexa Interface Message and Property Reference
- Alexa Foundational APIs
- Smart Home Skill APIs
- Video Skill APIs
Related topics
- Alexa Music, Radio, and Podcast Skill API Reference
- Connected Vehicle Skills for Alexa
- Steps to Build a Smart Home Skill
- Steps to Build a Video Skill
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Last updated: May 12, 2026