> This is a page from the ElevenLabs documentation. For a complete page index, fetch https://elevenlabs.io/docs/llms.txt. For the full documentation in a single file, fetch https://elevenlabs.io/docs/llms-full.txt.

### Agents Platform

- **Multi-voice support for agents**: Enable ElevenLabs agents to [dynamically switch between different voices](/docs/eleven-agents/customization/voice/multi-voice-support) 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](/docs/eleven-agents/customization/llm#anthropic) 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](/docs/eleven-agents/phone-numbers/c-caa-s-integrations/genesys).
- **Force delete knowledge base documents**: Added [`force` parameter](/docs/api-reference/knowledge-base/delete#request.query.force.force) 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](/docs/eleven-agents/customization/widget).

### API

<Accordion title="View API changes">

## Updated Endpoints

### Speech to Text

- [Create transcript](/docs/api-reference/speech-to-text/convert) - Added `webhook` parameter for asynchronous processing with webhook delivery

### Agents Platform

- **Knowledge Base**:

  - [Delete knowledge base document](/docs/api-reference/knowledge-base/delete) - Added `force` query parameter to delete documents regardless of agent dependencies

- **Widget**:
  - [Widget configuration](/docs/api-reference/widget/get#response.body.widget_config.supports_text_only) - Added text input and text-only mode support for multi-modality

</Accordion>

> ElevenLabs provides APIs and SDKs for text to speech, voice cloning, speech to text, sound effects, voice isolator, voice changer, and conversational AI agents. Build voice-enabled applications with lifelike audio generation.