Extend Music · V6_MINI

Extend Music OpenAPI Specification json { "code": 200, "msg": "All generated successfully.", "data": { "callbackType": "complete", "task_id": "2fac 9f72", "data": [ { "id": "e231 - - - - 8cadc7dc", "audio_url": "https://example.cn/ .mp3", "stream_audio_url": "https://example.cn/ ", "image_url": "https://example.cn/ .jpeg", "prompt": "[Verse] Night city lights shining bright", "model_name": "chirp-v3-5", "title": "Iron Man", "tags": "electrifying, rock", "createTime": "2025-01-01 00:00:00", "duration": 198.44 }, { "id": "bd15 1873", "audio_url": "https://example.cn/ .mp3", "stream_audio_url": "https://example.cn/ ", "image_url": "https://example.cn/ .jpeg", "prompt": "[Verse] Night city light

By felipederosilva·Created 24 days ago·Updated about 11 hours ago· 0

audio
url
all_urls_json
task_id
raw_json
credits_consumed
credits_left

◄audio_ide231****-****-****-****-****8cadc7dc►

◄promptExtend the music with more relaxing notes and a gentle bridge section►

◄styleClassical►

◄titlePeaceful Piano Extended►

◄continue_at60.00►

◄negative_tagsHeavy Metal, Upbeat Drums►

◄vocal_genderm►

◄style_weight0.65►

◄weirdness_constraint0.65►

◄audio_weight0.65►

◄persona_idpersona_123►

◄persona_modelstyle_persona►

◄lyrics[Verse] Keep the melody flowing Into a gentle bridge [Chorus] Let the piano rise and fall►

◄variety1►

◄instrumentalfalse►

◄timeout_seconds1200►

◄callback_url►

CategoryKIE Next/Audio/Suno/Music Generation

Inputs (17)

Name	Type	Default	Description
audio_id	STRING	e231**----**8cadc7dc	Unique identifier of the audio track to extend. Required for all extension requests.
prompt	STRING	Extend the music with more relaxing notes and a gentle bridge section	Lyrics for the extended audio. Optional. - Used as lyrics only when `lyrics` is not provided. If `lyrics` is present, `prompt` is not used as lyrics. - V6, V6_MINI, and V6_WILD: Maximum 5000 characters. - Not required. Source audio (`audio_id`) is enough to generate. - Do not pass this parameter when `instrumental` is `true`.
styleopt	STRING	Classical	Music style specification for the extended audio. Optional. - Not required. Source audio (`audio_id`) is enough to generate. - Character limits by model: - V4（Discontinued）: Maximum 200 characters - V4_5 & V4_5PLUS（Discontinued）: Maximum 1000 characters - V4_5ALL（Discontinued）: Maximum 1000 characters - V5_5 & V5（Discontinued）: Maximum 1000 characters - V6, V6_MINI, and V6_WILD: Maximum 1000 characters - Should typically align with the original audio's style for best results.
titleopt	STRING	Peaceful Piano Extended	Title for the extended music track. Optional. - Maximum 100 characters. - Displayed in player interfaces and filenames.
continue_atopt	FLOAT	60.00-10000–10000	The time point (in seconds) from which to start extending the music. - Value range: greater than 0 and less than the total duration of the generated audio. - Specifies the position in the original track where the extension should begin.
negative_tagsopt	STRING	Heavy Metal, Upbeat Drums	Music styles or traits to exclude from the extended audio. Optional. Use to avoid specific undesired characteristics.
vocal_genderopt	COMBO	m	Vocal gender preference. Optional. 'm' denotes a male voice, and 'f' denotes a female voice. In practice, this parameter only influences the probability and does not guarantee strict adherence to the gender instruction. This parameter is not required if `instrumental` is set to `true`.
style_weightopt	FLOAT	0.650–1	Strength of adherence to the specified style. Optional. Range 0–1, up to 2 decimal places.
weirdness_constraintopt	FLOAT	0.650–1	Controls experimental/creative deviation. Optional. Range 0–1, up to 2 decimal places.
audio_weightopt	FLOAT	0.650–1	Balance weight for audio features vs. other factors. Optional. Range 0–1, up to 2 decimal places.
persona_idopt	STRING	persona_123	Persona ID or Voice ID to apply to the generated music. Optional. Use this to apply a specific persona style to your music generation. To generate a Persona ID, use the [Generate Persona](https://docs.kie.ai/suno-api/generate-persona) endpoint to create a personalized music Persona based on generated music. To generate a Voice ID, use the [Generate Voice](https://docs.kie.ai/suno-api/suno-voice-generate) endpoint.
persona_modelopt	COMBO	style_persona	The persona model is only applicable to the V5 (deactivated), V5.5 (deactivated), V6, V6_MINI, and V6_WILD models.
lyricsopt	STRING	[Verse] Keep the melody flowing Into a gentle bridge [Chorus] Let the piano rise and fall	Lyrics for the extended audio. Optional. - Takes priority over `prompt` as lyrics. If omitted, `prompt` is used as lyrics when provided. - V6, V6_MINI, and V6_WILD: Maximum 5000 characters. - Not required. Source audio (`audio_id`) is enough to generate. - Do not pass this parameter when `instrumental` is `true`.
varietyopt	INT	10–4	Controls the diversity and stylistic variation of generated results. Optional. Integer range 0–4, default 1. - `0`: off (exact style) — fully off, strictly the same style - `1`: normal (balanced variety) — default, balances stability and diversity - `2`: high (distinct styles) — produces results with clearly different styles - `3`: extra (bold exploration) — higher variation, encourages bold exploration of different styles - `4`: max (unreasonably varied) — maximum diversity; results may differ in style very significantly
instrumentalopt	BOOLEAN	false	Indicates whether it is an instrumental track. If true, passing the `lyrics`, `prompt`, and `vocal_gender` parameters is prohibited.
timeout_secondsopt	INT	120030–7200	—
callback_urlopt	STRING		Optional KIE callback URL. Leave empty for normal ComfyUI use.

Outputs (7)

Name	Type	Description
audio	AUDIO	—
url	STRING	—
all_urls_json	STRING	—
task_id	STRING	—
raw_json	STRING	—
credits_consumed	FLOAT	—
credits_left	FLOAT	—