> 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.

# Speech Engine

> 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.


## API Docs

- Speech Engine [WebSocket](https://elevenlabs.io/docs/api-reference/speech-engine/speech-engine-upstream.md)
- Speech Engine [Create Speech Engine](https://elevenlabs.io/docs/api-reference/speech-engine/create.md)
- Speech Engine [Get Speech Engine](https://elevenlabs.io/docs/api-reference/speech-engine/get.md)
- Speech Engine [Update Speech Engine](https://elevenlabs.io/docs/api-reference/speech-engine/update.md)
- Speech Engine [Delete Speech Engine](https://elevenlabs.io/docs/api-reference/speech-engine/delete.md)
- Speech Engine [Duplicate Speech Engine](https://elevenlabs.io/docs/api-reference/speech-engine/duplicate.md)
- Speech Engine [List Speech Engines](https://elevenlabs.io/docs/api-reference/speech-engine/list.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://elevenlabs.io/docs/api-reference/speech-engine/openapi.json)
- [OpenAPI YAML](https://elevenlabs.io/docs/api-reference/speech-engine/openapi.yaml)


## AsyncAPI Specification

The raw AsyncAPI 2.6.0 specification for the WebSocket channels is available at:
- [AsyncAPI JSON](https://elevenlabs.io/docs/api-reference/speech-engine/asyncapi.json)
- [AsyncAPI YAML](https://elevenlabs.io/docs/api-reference/speech-engine/asyncapi.yaml)