Documentation Index
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task=add_stems — layer stems described by stem_control_tags
stem_control_tags is the instruction string (the official capture keeps a trailing space, for example "add "). max_mode is allowed here — it is rejected only on gen_stem_two, gen_stem_all, and sound. Persona is not used.
POST /suno/v2/generate returns { "taskId" }. Poll Get Task Status. Schema: GET /suno/v2/generate/schema?task=add_stems.
| Field | Required | Notes |
|---|---|---|
task | Yes | "add_stems" |
model | Yes | chirp-v6 recommended |
clip_id | Yes | Clip to layer onto |
stem_control_tags | No | What to add. Omit and the server sends "add " (the trailing space is part of the string) |
{
"task": "add_stems",
"model": "chirp-v6",
"title": "Extra Stems",
"clip_id": "b6aa42d8-8ee6-40de-8953-8be4fc5d3406",
"stem_control_tags": "add "
}