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

# MiniMax Voice Design

Generate personalized custom voices from text descriptions. Returns a voice\_id for use in T2A speech synthesis APIs, along with a hex-encoded preview audio sample.

## Request Headers

<ParamField header="Content-Type" type="string" required={true}>
  Supports: `application/json`
</ParamField>

<ParamField header="Authorization" type="string" required={true}>
  Bearer authentication format, for example: Bearer \{\{API Key}}.
</ParamField>

## Request Body

<ParamField body="prompt" type="string" required={true}>
  Voice description text that defines the characteristics of the voice to generate.
</ParamField>

<ParamField body="voice_id" type="string">
  Custom voice ID for the generated voice. If not provided, a unique voice\_id will be automatically created.
</ParamField>

<ParamField body="preview_text" type="string" required={true}>
  Text used for generating a preview audio sample. Max 500 characters.

  Length limit: 0 - 500
</ParamField>

## Response

<ResponseField name="voice_id" type="string" required={false}>
  The generated voice ID, usable in T2A speech synthesis APIs.
</ResponseField>