Replace Music Section
POST
/api/v1/jobs/createTask
Document updated
Replace a specific time segment within existing music.
Parameter Details
prompt, tags, title, infill_start_s, infill_end_s, full_lyricslyrics is optional lyrics for the replaced segment. V6 maximum 5000 charactersnegative_tags, vocal_gender, style_weight, weirdness_constraint, audio_weight, variety, persona_id, persona_modelTime Range Instructions
infill_start_s must be less than infill_end_s.10.50 seconds.Developer Notes
prompt and tags.Callbacks
Request
Body Params application/jsonRequired
Responses
Request Request Example
Shell
JavaScript
Java
Swift
curl --location 'https://api.kie.ai/api/v1/jobs/createTask' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"model": "ai-music-api/replace-section",
"callBackUrl": "https://example.com/callback",
"input": {
"task_id": "2fac****9f72",
"audio_id": "e231****-****-****-****-****8cadc7dc",
"prompt": "A calm and relaxing piano track.",
"tags": "Jazz",
"title": "Relaxing Piano",
"negative_tags": "Rock",
"infill_start_s": 10.5,
"infill_end_s": 20.75,
"full_lyrics": "[Verse 1]\nOriginal lyrics here\n[Chorus]\nModified lyrics for this section\n[Verse 2]\nMore original lyrics",
"lyrics": "[Chorus]\nModified lyrics for this section",
"variety": 1,
"vocal_gender": "m",
"style_weight": 0.65,
"weirdness_constraint": 0.65,
"audio_weight": 0.65,
"persona_id": "persona_123",
"persona_model": "style_persona"
}
}'Response Response Example
{
"code": 200,
"msg": "success",
"data": {
"taskId": "5c79****be8e"
}
}