> 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.

# Environment Variables

> 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

- Environment Variables [List environment variables](https://elevenlabs.io/docs/api-reference/environment-variables/list.md)
- Environment Variables [Create environment variable](https://elevenlabs.io/docs/api-reference/environment-variables/create.md)
- Environment Variables [Get environment variable](https://elevenlabs.io/docs/api-reference/environment-variables/get.md)
- Environment Variables [Update environment variable](https://elevenlabs.io/docs/api-reference/environment-variables/update.md)

## OpenAPI Specification

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