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File Upload APICommon API
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File Upload APICommon API
  1. Music Generation
  • Getting Started with KIE API (Important)
  • Market
  • Image Models
    • Seedream
      • Seedream3.0 - Text to Image
      • Seedream4.0 - Text to Image
      • Seedream4.0 - Edit
      • Seedream4.5 - Text to Image
      • Seedream4.5 - Edit
      • Seedream5.0 Lite - Text to Image
      • Seedream5.0 Lite - Image to Image
    • Z-image
      • Z-Image
    • Google
      • Google - Nano Banana 2
      • Google - imagen4-fast
      • Google - imagen4-ultra
      • Google - imagen4
      • Google - Nano Banana Edit
      • Google - Nano Banana
      • Google - Nano Banana Pro
    • Flux-2
      • Flux-2 - Pro Image to Image
      • Flux-2 - Pro Text to Image
      • Flux-2 - Image to Image
      • Flux-2 - Text to Image
    • Grok Imagine
      • Grok Imagine - Text to Image
      • Grok Imagine - image to image
    • GPT Image
      • GPT Image-1.5 - Text to Image
      • GPT Image-1.5 - Image to Image
    • Topaz
      • Topaz - Image Upscale
    • Recraft
      • Recraft - Remove Background
      • Recraft - Crisp Upscale
    • Ideogram
      • Ideogram - V3 Reframe
      • Ideogram - Character Edit
      • Ideogram - Character Remix
      • Ideogram - Character
      • Ideogram V3 Text to Image
      • Ideogram V3 Edit
      • Ideogram V3 Remix
    • Qwen
      • Qwen - Text to Image
      • Qwen - Image to Image
      • Qwen - Image Edit
      • Qwen2 - Image Edit
      • Qwen2 - Text To Image
    • 4o Image API
      • 4o Image API Quickstart
      • 4o Image Generation Callbacks
      • Generate 4o Image
      • Get 4o Image Details
      • Get Direct Download URL
    • Flux Kontext API
      • Flux Kontext API Quickstart
      • Image Generation or Editing Callbacks
      • Generate or Edit Image
      • Get Image Details
  • Video Models
    • Grok Imagine
      • Grok Imagine Text to Video
      • Grok Imagine Image to Video
      • Grok Imagine - Video Upscale
      • Grok Imagine - Video Extend
    • Kling
      • Kling 2.6 Text to Video
      • Kling 2.6 Image to Video
      • Kling - V2.5 Turbo Image to Video Pro
      • Kling - V2.5 Turbo Text to Video Pro
      • Kling AI Avatar Standard
      • Kling AI Avatar Pro
      • Kling V2.1 Master Image to Video
      • Kling V2.1 Master Text to Video
      • Kling V2.1 Pro
      • Kling V2.1 Standard
      • Kling 2.6 motion-control
      • kling-3.0 motion-control
      • Kling 3.0
    • Bytedance
      • Bytedance Seedance 1.5 Pro
      • Bytedance V1 Pro Fast Image to Video
      • Bytedance V1 Pro Image to Video
      • Bytedance - V1 Pro Text to Video
      • Bytedance - V1 Lite Image to Video
      • Bytedance - V1 Lite Text to Video
    • Hailuo
      • Hailuo 2.3 Pro Image to Video
      • Hailuo 2.3 Standard Image to Video
      • Hailuo Pro Text to Video
      • Hailuo Pro Image to Video
      • Hailuo Standard Text to Video
      • Hailuo Standard Image to Video
    • Sora2
      • Sora2 - Image to Video
      • Sora2 - Text to Video
      • Sora2 - Pro Image to Video
      • Sora2 - Pro Text to Video
      • Sora2 - Watermark Remover
      • Sora2 - Pro Storyboard
      • Sora2 - Characters
      • Sora2 - Characters Pro
    • Wan
      • Wan 2.6 - Image to Video
      • Wan 2.6 - Text to Video
      • Wan 2.6 - Video to Video
      • Wan - Image to Video
      • Wan - Text to Video
      • Wan - 2.2 A14B Speech to Video Turbo
      • Wan - Animate Move
      • Wan - Animate Replace
      • Wan - 2.6-flash-image-to-video
      • Wan - 2-6-flash-video-to-video
      • Wan 2.5 - Image to Video
      • Wan 2.5 - Text to Video
    • Topaz
      • Topaz - Video Upscale
    • Infinitalk
      • Infinitalk - From Audio
    • Runway API
      • Runway API Quickstart
      • AI Video Generation Callbacks
      • AI Video Extension Callbacks
      • Aleph
        • Aleph Video Generation Callbacks
        • Generate Aleph Video
        • Get Aleph Video Details
      • Generate AI Video
      • Get AI Video Details
      • Extend AI Video
  • Music Models
    • ElevenLabs
      • elevenlabs/audio-isolation
      • elevenlabs/sound-effect-v2
      • elevenlabs/speech-to-text
      • elevenlabs/text-to-dialogue-v3
      • elevenlabs/text-to-speech-multilingual-v2
      • elevenlabs/text-to-speech-turbo-2-5
  • Chat Models
    • GPT
      • GPT 5.2
      • GPT 5.4 (response)
    • Claude
      • Claude Haiku 4.5
      • Claude Opus 4.5
      • Claude Opus 4.6
      • Claude Sonnet 4.5
      • Claude Sonnet 4.6
    • Gemini
      • Gemini 2.5 Pro (openai)
      • Gemini 3 Pro (openai)
      • Gemini 3.1 Pro (openai)
      • Gemini 2.5 Flash (openai)
      • Gemini 3 Flash (openai)
      • Gemini 3 Flash
    • Codex
      • GPT Codex
  • Veo3.1 API
    • Veo3.1 API Quickstart
    • Veo3.1 Video Generation Callbacks
    • Get 4K Video Callbacks
    • Generate Veo3.1 Video
    • Extend Veo3.1 Video
    • Get 1080P Video
    • Get 4K Video
    • Get Veo3.1 Video Details
  • Suno API
    • Suno API Quickstart
    • Music Generation
      • Music Generation Callbacks
      • Music Extension Callbacks
      • Audio Upload and Cover Callbacks
      • Audio Upload and Extension Callbacks
      • Add Instrumental Callbacks
      • Add Vocals Callbacks
      • Music Cover Generation Callbacks
      • Replace Music Section Callbacks
      • Generate Music
        POST
      • Extend Music
        POST
      • Upload And Cover Audio
        POST
      • Upload And Extend Audio
        POST
      • Add Instrumental to Music
        POST
      • Add Vocals to Music
        POST
      • Get Music Task Details
        GET
      • Get Timestamped Lyrics
        POST
      • Boost Music Style
        POST
      • Generate Music Cover
        POST
      • Get Cover Generation Details
        GET
      • Replace Music Section
        POST
      • Generate Persona
        POST
      • Generate Mashup Music
        POST
    • Lyrics Generation
      • Lyrics Generation Callbacks
      • Generate Lyrics
      • Get Lyrics Task Details
    • WAV Conversion
      • Convert to WAV Callbacks
      • Convert to WAV Format
      • Get WAV Conversion Details
    • Vocal Removal
      • Audio Separation Callbacks
      • MIDI Generation Callbacks
      • Vocal & Instrument Stem Separation
      • Get Vocal Separation Details
      • Generate MIDI from Audio
      • Get MIDI Generation Details
    • Music Video Generation
      • Music Video Generation Callbacks
      • Create Music Video
      • Get Music Video Details
    • Sounds Generation
      • Generate sounds
  • Get Task Details
    GET
  1. Music Generation

Generate Mashup Music

POST
/api/v1/generate/mashup
Create remix music using AI models by combining multiple audio tracks.

Usage Guide#

This interface creates remix music from up to 2 uploaded audio files.
It combines elements from multiple tracks into a coherent new piece.
You can control the level of detail using custom mode and instrumental settings.

Parameter Details#

uploadUrlList is required and must contain exactly 2 audio file URLs.

In Custom Mode (customMode: true)#

Character limits for prompt across different models:
Modelprompt Limitstyle Limit
V43000 characters200 characters
V4_5 and V4_5PLUS5000 characters1000 characters
V4_5ALL5000 characters1000 characters
V5 and V5_55000 characters1000 characters
title length limit: 80 characters (all models).

In Non-Custom Mode (customMode: false)#

prompt length limit: 500 characters.
instrumental: Whether to generate instrumental music.
Other parameters should be left empty.

Developer Notes#

TIP
New users are advised to start with customMode: false, which is simpler.
Generated files will be retained for 14 days.
The callback process has three stages: text (text generation), first (first track complete), complete (all complete).
Uploaded audio files must have publicly accessible URLs.
uploadUrlList must contain exactly 2 audio file URLs to initiate remix generation.

Optional Parameters#

ParameterTypeDescription
vocalGenderstringVocal gender preference. m for male, f for female. Note: This parameter only takes effect when customMode is true. In practice, this parameter only increases the probability but does not guarantee adherence to the specified vocal gender.
styleWeightnumberStrength of adherence to style. Note: This parameter only takes effect when customMode is true. Range is 0–1, with two decimal places. Example: 0.61.
weirdnessConstraintnumberCreativity/discreteness level. Note: This parameter only takes effect when customMode is true. Range is 0–1, with two decimal places. Example: 0.72.
audioWeightnumberWeight of audio elements. Note: This parameter only takes effect when customMode is true. Range is 0–1, with two decimal places. Example: 0.65.

Callbacks

audioGenerated

Request

Authorization
Bearer Token
Provide your bearer token in the
Authorization
header when making requests to protected resources.
Example:
Authorization: Bearer ********************
or
Body Params application/jsonRequired

Examples

Responses

🟢200
application/json
Request successful
Body

🔴500Error
Request Request Example
Shell
JavaScript
Java
Swift
curl --location --request POST 'https://api.kie.ai/api/v1/generate/mashup' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
  "uploadUrlList": [
    "https://example.com/audio1.mp3",
    "https://example.com/audio2.mp3"
  ],
  "customMode": true,
  "model": "V4",
  "callBackUrl": "https://example.com/callback",
  "prompt": "A calm and relaxing piano track with soft melodies",
  "style": "Jazz",
  "title": "Relaxing Piano",
  "instrumental": true,
  "vocalGender": "m",
  "styleWeight": 0.61,
  "weirdnessConstraint": 0.72,
  "audioWeight": 0.65
}'
Response Response Example
200 - Example 1
{
    "code": 200,
    "msg": "success",
    "data": {
        "taskId": "5c79****be8e"
    }
}
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Generate Persona
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Lyrics Generation Callbacks
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