> ## Documentation Index
> Fetch the complete documentation index at: https://docs.autocalls.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Get available voices

> Retrieve all available voices for assistant configuration

This endpoint returns a list of all available voices that can be used when creating or updating assistants, with optional filtering by assistant mode and language.

### Query Parameters

<ParamField query="mode" type="string">
  Filter voices by assistant mode. Options: `pipeline`, `multimodal`, `dualplex`
</ParamField>

<ParamField query="language_id" type="integer">
  Filter voices by language ID. Use the [Get Languages](/api-reference/assistants/get-languages) endpoint to get available language IDs.
</ParamField>

<ParamField query="synthesizer_provider_id" type="integer">
  Filter voices by TTS provider ID (e.g. ElevenLabs, Cartesia, Azure). Use the [Get Synthesizer Providers](/api-reference/assistants/get-synthesizer-providers) endpoint to get available provider IDs.
</ParamField>

<ParamField query="gender" type="string">
  Filter voices by gender (e.g., `male`, `female`).
</ParamField>

<ParamField query="age" type="string">
  Filter voices by age category (e.g., `Young`, `Middle aged`).
</ParamField>

<ParamField query="accent" type="string">
  Filter voices by accent (e.g., `American`, `British`).
</ParamField>

<ParamField query="search" type="string">
  Free-text search across voice name, accent, age, and gender.
</ParamField>

### Response fields

<ResponseField name="data" type="array">
  <Expandable title="properties">
    <ResponseField name="id" type="integer">
      The unique identifier of the voice
    </ResponseField>

    <ResponseField name="name" type="string">
      The display name of the voice
    </ResponseField>

    <ResponseField name="language_id" type="integer">
      The language ID this voice is associated with
    </ResponseField>

    <ResponseField name="gender" type="string">
      The gender of the voice (male/female)
    </ResponseField>

    <ResponseField name="preview_url" type="string">
      URL to an audio sample of the voice. Can be used to let users preview voices before selecting one.
    </ResponseField>

    <ResponseField name="accent" type="string">
      The accent of the voice (e.g., "American", "British"). May be `null`.
    </ResponseField>

    <ResponseField name="age" type="string">
      The age category of the voice (e.g., "Young", "Middle aged"). May be `null`.
    </ResponseField>

    <ResponseField name="synthesizer_provider_id" type="integer">
      The TTS provider ID this voice belongs to. Use the [Get Synthesizer Providers](/api-reference/assistants/get-synthesizer-providers) endpoint to resolve provider names. May be `null`.
    </ResponseField>
  </Expandable>
</ResponseField>

<ResponseExample>
  ```json 200 Response theme={null}
  [
    {
      "id": 1,
      "name": "Alloy",
      "language_id": 1,
      "gender": "female",
      "preview_url": "https://cdn.openai.com/API/voice-previews/alloy.flac",
      "accent": null,
      "age": "Middle aged",
      "synthesizer_provider_id": null
    },
    {
      "id": 10,
      "name": "Zephyr",
      "language_id": 1,
      "gender": "female",
      "preview_url": "https://gstatic.com/aistudio/voices/samples/Zephyr.wav",
      "accent": null,
      "age": "Middle aged",
      "synthesizer_provider_id": 1
    },
    {
      "id": 11,
      "name": "Puck",
      "language_id": 1,
      "gender": "male",
      "preview_url": "https://gstatic.com/aistudio/voices/samples/Puck.wav",
      "accent": null,
      "age": "Middle aged",
      "synthesizer_provider_id": 1
    }
  ]
  ```
</ResponseExample>

### Notes

* Use the `id` field as `voice_id` when creating or updating assistants
* Filter by `mode` to get only voices compatible with your intended assistant type
* Filter by `language_id` to get voices for a specific language
* Filter by `gender`, `age`, or `accent` to narrow the list, or use `search` for free-text matching across those fields
* If no filters are provided, all available voices are returned
* Only voices that are public or belong to the authenticated user are returned