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

# List aggregated TTS voices

> Combined catalog of voices you can reference in agent `voice_settings`. The list may vary by environment and provider availability.



## OpenAPI

````yaml get /v1/voices
openapi: 3.0.3
info:
  title: Vatel AI REST API
  description: >-
    Programmatic access for agents, telephony, and session tokens. Send
    `Authorization: Bearer <organization API key>` on all requests unless noted.
    Most error responses return JSON with an `error` string message.
  version: 0.2.4
servers:
  - url: https://api.vatel.ai
    description: Production
security:
  - bearerAuth: []
tags:
  - name: organization
    description: Organization tied to your API key
  - name: llms
    description: LLM model identifiers
  - name: voices
    description: TTS voice catalog
  - name: agents
    description: Agents, outbound dial, agent versions
  - name: twilio
    description: Imported Twilio phone numbers
  - name: sip-trunks
    description: SIP trunk configuration
  - name: session
    description: Session tokens and voice WebSocket connections.
  - name: calls
    description: Call history, recordings, and live eavesdrop for your organization
  - name: eavesdrop
    description: Listen to live calls and send supervisor commands over WebSocket.
paths:
  /v1/voices:
    get:
      tags:
        - voices
      summary: List aggregated TTS voices
      description: >-
        Combined catalog of voices you can reference in agent `voice_settings`.
        The list may vary by environment and provider availability.
      operationId: listVoices
      responses:
        '200':
          description: Voice catalog
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VoicesListResponse'
        '401':
          description: Unauthorized
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    VoicesListResponse:
      type: object
      required:
        - voices
      properties:
        voices:
          type: array
          items:
            $ref: '#/components/schemas/VoiceCatalogEntry'
          description: Merged voices from available providers.
    ErrorResponse:
      type: object
      description: Standard error body for most non-2xx JSON responses on this API.
      required:
        - error
      properties:
        error:
          type: string
          description: Human-readable message; may include validation detail.
    VoiceCatalogEntry:
      type: object
      description: A single TTS voice offered by a provider.
      required:
        - id
        - name
        - provider
        - languages
      properties:
        id:
          type: string
          description: >-
            Use this value in agent `voice_settings.id` with matching
            `provider`.
        name:
          type: string
          description: Human-readable label.
        description:
          type: string
          nullable: true
          description: Vendor or curated description.
        provider:
          $ref: '#/components/schemas/TTSStrategy'
        languages:
          type: array
          items:
            type: string
          description: Language codes supported by this voice.
        preview_url:
          type: string
          nullable: true
          description: Optional short audio sample URL.
        featured:
          type: boolean
          description: Curated highlight flag when present.
    TTSStrategy:
      type: string
      description: Text-to-speech vendor backing the agent voice.
      enum:
        - elevenlabs
        - openai
        - cartesia
        - hume
        - minimax
        - fish
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API Key
      description: 'Send your organization API key as `Authorization: Bearer <key>`.'

````