> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developers.synthesia.io/docs/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.synthesia.io/docs/_mcp/server.

## Billing API

* [**Billing API**](/docs/billing) now available: retrieve your workspace's current billing period and credit balance programmatically.
* Get the credit balance returns total, consumed, and available credits for the current billing period.

## Interactive Avatar API

* [**Interactive Avatars API**](/docs/interactive-avatars) now available: embed a real-time, lip-synced avatar into your own product with turn-taking and interruptions built in.
* Official livekit-plugins-synthesia plugin (Python) attaches a Synthesia avatar to your LiveKit agent in a few lines of code.