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

# List Voice Languages

> List the languages supported by a specific DialNexa voice.

<Warning>
  **Legacy endpoint - deprecated.** Unversioned endpoints are scheduled for removal on **July 31, 2026**. Use the [`/v1` version](/docs/api-reference/v1/voices/languages) for new integrations. This endpoint remains available for existing integrations until then.
</Warning>

Returns the language choices supported by one voice. Use this endpoint when a voice picker needs to show per-voice language options before saving an agent.

## Path parameters

| Parameter | Description |
| --------- | ----------- |
| `id`      | Voice ID.   |

## Related endpoints

* [Get Voice](/docs/api-reference/v1/voices/get): fetch one voice record.
* [List Speech To Speech Voices](/docs/api-reference/v1/voices/s2s): fetch S2S-compatible voices and language choices.
* [List Languages](/docs/api-reference/v1/languages/list): fetch the platform language catalog.


## OpenAPI

````yaml GET /voices/{id}/languages
openapi: 3.0.0
info:
  title: DialNexa API
  description: >-
    Public REST API for the DialNexa voice AI platform. Versioned endpoints are
    under /v1; unversioned endpoints are legacy and deprecated.
  version: 1.0.0
servers:
  - url: https://api.dialnexa.com
    description: DialNexa production API
security:
  - bearer: []
tags:
  - name: API Keys
  - name: Agent Functions
  - name: Agents V1
  - name: Agents2
  - name: Batch Calls
  - name: Batch Calls V1
  - name: Call Logs
  - name: Calls
  - name: Calls V1
  - name: Campaign Leads
  - name: Campaigns
  - name: External Webhooks
  - name: Knowledge Base
  - name: Knowledge Base V1
  - name: LLMs
  - name: LLMs V1
  - name: Languages
  - name: Languages V1
  - name: Organization Phone Numbers
  - name: Organization Phone Numbers V1
  - name: Phone Number Pricing
  - name: Phone Number Pricing V1
  - name: Transcribers
  - name: Transcribers V1
  - name: User Webhooks
  - name: User Webhooks V1
  - name: V1
  - name: Voices
  - name: Voices V1
  - name: Webcall
  - name: Workflow Leads
  - name: Workflow Leads V1
  - name: Workflows
  - name: Workflows V1
paths:
  /voices/{id}/languages:
    get:
      tags:
        - Voices
      summary: Get all languages supported by a specific voice
      description: >-
        **Legacy endpoint - deprecated, scheduled for removal on July 31,
        2026.** Use the `/v1` version for new integrations. 
      operationId: VoicesController_getVoiceLanguages
      parameters:
        - name: id
          required: true
          in: path
          schema:
            type: string
      responses:
        '200':
          description: Returns all languages supported by the specified voice
          content:
            application/json:
              schema:
                type: array
                items:
                  type: object
                  properties:
                    id:
                      type: string
                      example: lang_id_1
                    code:
                      type: string
                      example: en
                    name:
                      example: English
                      type: string
        '404':
          description: Voice not found
        '500':
          description: Internal server error
      deprecated: true
components:
  securitySchemes:
    bearer:
      scheme: bearer
      bearerFormat: JWT
      type: http

````