Castbreeze
The developer platform for audio streaming automation. Control your speakers through APIs, browser extensions, and workflow integrations.
Our Products
Choose the right tool for your audio streaming needs
Cast to Sonos
Chrome extension for streaming browser audio directly to your Sonos speakers. Perfect for YouTube, podcasts, and web audio.
Zapier Integration
Automate your audio workflows with 5,000+ apps. Trigger audio playback from any event in your favorite tools.
MCP Server
Model Context Protocol server for AI assistants. Control your speakers through Claude, ChatGPT, and other AI tools.
Why Castbreeze?
Built for developers, designed for everyone
Fast Integration
Get started in minutes with our simple APIs and pre-built integrations
Secure & Reliable
OAuth 2.1 authentication with automatic token refresh and error handling
Multiple Integrations
Chrome extension, Zapier automation, MCP for AI, and REST API
Expanding Support
Currently supports Sonos speakers, with more brands coming soon
Use Cases
From simple streaming to complex automation
Content Creators
Stream YouTube, podcasts, and web audio to your studio monitors while editing
Smart Home
Trigger audio notifications when motion is detected or doors open
AI Assistants
Control your speakers through natural language with Claude or ChatGPT
Business Automation
Play announcements when customers check in or orders are received
Developers
Build custom audio streaming applications with our REST API
Home Entertainment
Stream browser audio, local files, and online content to any room
Ready to Get Started?
Choose your integration method and start streaming in minutes
Currently Supported: Sonos speakers (all S2 models)
Support for additional speaker brands coming soon