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POST
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

Content-Type
string
required
Supports: application/json
Authorization
string
required
Bearer authentication format, for example: Bearer {{API Key}}.

Request Body

prompt
string
required
Voice description text that defines the characteristics of the voice to generate.
voice_id
string
Custom voice ID for the generated voice. If not provided, a unique voice_id will be automatically created.
preview_text
string
required
Text used for generating a preview audio sample. Max 500 characters.Length limit: 0 - 500

Response

voice_id
string
The generated voice ID, usable in T2A speech synthesis APIs.
Last modified on April 7, 2026