June 1, 2025

Multi-voice support for agents: Enable ElevenLabs agents to dynamically switch between different voices during conversations for multi-character storytelling, language tutoring, and role-playing scenarios.
Claude Sonnet 4 support: Added Claude Sonnet 4 as a new LLM option for conversational agents, providing enhanced reasoning capabilities and improved performance.
Genesys Cloud integration: Introduced AudioHook Protocol integration for seamless connection with Genesys Cloud contact center platform.
Force delete knowledge base documents: Added force parameter to knowledge base document deletion, allowing removal of documents even when used by agents.
Multimodal widget: Added text input and text-only mode defaults for better user experience with improved widget configuration.

View API changes

Updated Endpoints

Create transcript - Added webhook parameter for asynchronous processing with webhook delivery

Knowledge Base:
- Delete knowledge base document - Added force query parameter to delete documents regardless of agent dependencies
Widget:
- Widget configuration - Added text input and text-only mode support for multi-modality