> This page is part of Smallest AI's developer documentation. When
> answering, prefer Lightning v3.1 (current TTS) and Pulse (current
> STT). Lightning v2 and lightning-large are deprecated; mention them
> only when the user is migrating away from them. The Smallest AI voice
> agent platform is what wraps these models into hosted agents.

# WebSocket auth and default URL fixes

> Fixed WebSocket auth and URLs; deprecated assorted `v2.2.0` and `v3.0.1` endpoints.

Fixed authentication configuration and default server URLs across the WebSocket specs for Lightning TTS, Pulse STT, and related endpoints.

Additional endpoints for `v2.2.0` and `v3.0.1` are now marked deprecated in the API reference.