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POST
  1. After submission, a task_id will be returned. If you provided a callback_url, when the task status becomes finished or failed, a POST request will be sent to the callback_url.
  2. Regardless of whether callback_url is provided, you can retrieve the response result through the unified Query Music Detail endpoint.

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Usage Guide

  • This endpoint creates music based on your text prompt
  • Multiple variations will be generated for each request
  • You can control detail level with custom mode and instrumental settings

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Parameter Details

  • In Custom Mode ( custom_mode: true ):
    • If instrumental: true : style and title are required
    • If instrumental: false : style, prompt, and title are required
    • Character limits vary by model:
      • V4: prompt 3000 characters, style 200 characters
      • V4_5 & V4_5PLUS: prompt 5000 characters, style 1000 characters
      • V4_5ALL: prompt 5000 characters, style 1000 characters
      • V5: prompt 5000 characters, style 1000 characters
      • V5_5: prompt 5000 characters, style 1000 characters
  • In Non-custom Mode ( custom_mode: false ):
    • prompt length limit: 3000 characters
    • Other parameters should be left empty

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Developer Notes

  • Recommendation for new users: Start with custom_mode: false for simpler usage

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Optional parameters

  • vocal_gender (string): Vocal gender preference. Use m for male, f for female. Note: This parameter is only effective when custom_mode is true . Based on practice, this parameter can only increase the probability but cannot guarantee adherence to male/female voice instructions.
  • style_weight (number): Strength of adherence to style. Range 0-1, up to 2 decimals. Example: 0.65 .
  • weirdness_constraint (number): Controls creative deviation. Range 0-1, up to 2 decimals. Example: 0.65 .
  • audio_weight (number): Balance weight for audio features. Range 0-1, up to 2 decimals. Example: 0.65 .
  • persona_id (string): Persona ID to apply to the generated music. Use this to apply a specific persona style to your music generation. Only available when Custom Mode is enabled. How to generate persona_id, visit generate-persona.
  • persona_model (string): style_persona or voice_persona. Requires persona_id and V5/V5_5.
  • duration (integer): Custom length from 10–360 seconds. Only supported when custom_mode: true and mv: V5_5.

Authorizations

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Authorization
string
header
required

All API endpoints require Bearer Token authentication

Get your API Key:

Visit the API Key Management Page to get your API Key

Add it to the request header:

Body

application/json
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model
enum<string>
required

API model identifier.

Must be generate-music for this endpoint.

Available options:
generate-music
Example:

"generate-music"

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input
object
required

Input parameters for music generation

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callback_url
string<uri>

Webhook callback URL for result notifications

Example:

"https://your-domain.com/callback"

Response

200 - application/json

Task submitted successfully

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code
integer
required

HTTP status code

Example:

200

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data
object
required