POST
/
api
/
v1
/
generate
Generate Music
curl --request POST \
  --url https://api.kie.ai/api/v1/generate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "prompt": "A calm and relaxing piano track with soft melodies",
  "style": "Classical",
  "title": "Peaceful Piano Meditation",
  "customMode": true,
  "instrumental": true,
  "model": "V3_5",
  "callBackUrl": "https://api.example.com/callback",
  "negativeTags": "Heavy Metal, Upbeat Drums",
  "vocalGender": "m",
  "styleWeight": 0.65,
  "weirdnessConstraint": 0.65,
  "audioWeight": 0.65
}'
{
  "code": 200,
  "msg": "success",
  "data": {
    "taskId": "5c79****be8e"
  }
}

​
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

​
Parameter Details

  • In Custom Mode (customMode: true):
    • If instrumental: true: style and title are required
    • If instrumental: false: style, prompt, and title are required
    • Character limits vary by model:
      • V3_5 & V4: prompt 3000 characters, style 200 characters
      • V4_5 & V4_5PLUS: prompt 5000 characters, style 1000 characters
    • title length limit: 80 characters (all models)
  • In Non-custom Mode (customMode: false):
    • Only prompt is required regardless of instrumental setting
    • prompt length limit: 400 characters
    • Other parameters should be left empty

​
Developer Notes

  • Recommendation for new users: Start with customMode: false for simpler usage
  • Generated files are retained for 14 days
  • Callback process has three stages: text (text generation), first (first track complete), complete (all tracks complete)

​
Optional parameters

  • vocalGender (string): Vocal gender preference. Use m for male, f for female.
  • styleWeight (number): Strength of adherence to style. Range 0–1, up to 2 decimals. Example: 0.65.
  • weirdnessConstraint (number): Controls creative deviation. Range 0–1, up to 2 decimals. Example: 0.65.
  • audioWeight (number): Balance weight for audio features. Range 0–1, up to 2 decimals. Example: 0.65.

Authorizations

​
Authorization
string
header
required

All APIs require authentication via Bearer Token.

Get API Key:

  1. Visit API Key Management Page to get your API Key

Usage: Add to request header: Authorization: Bearer YOUR_API_KEY

Note:

  • Keep your API Key secure and do not share it with others
  • If you suspect your API Key has been compromised, reset it immediately in the management page

Body

application/json

Response

200
application/json

Request successful

The response is of type object.