Upload And Cover Audio

music Suno price on request

Request

POST https://app.video-blade.com/api/v1/generations
X-API-Key: vb_…
Content-Type: application/json

{
  "callback_url": "https://your-app.example/callbacks/video-blade",
  "input": {
    "instrumental": "\u2026",
    "model": "V6",
    "upload_url": "\u2026"
  },
  "model": "suno-upload-and-cover-audio"
}

Input parameters

Name	Type	Required	Description
`upload_url`	string	required	The URL of the source audio file to cover. Required. Source audio (`upload_url`) is enough to generate. Ensure the uploaded audio does not exceed 8 minutes in length.
`prompt`	string	optional	Lyrics for the covered 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 (`upload_url`) is enough to generate. - Do not pass this parameter when `instrumental` is `true`.
`style`	string	optional	The music style or genre for the audio. Optional. - Not required. Source audio (`upload_url`) 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
`title`	string	optional	The title of the generated music track. Optional. - Maximum 80 characters. - Displayed in player interfaces and filenames.
`instrumental`	boolean	required	Determines if the audio should be instrumental (no lyrics). - If `true`: generate instrumental music (no vocals). Do not pass `lyrics`, `prompt`, or `vocal_gender`. - If `false`: use `lyrics` as lyrics (fall back to `prompt` if `lyrics` is not provided).
`model`	string	required	The AI model version to use for generation. - Required for all requests. - Available options: - `V6_WILD`：Pushes creative boundaries for bolder, more distinctive musical expression. - `V6_MINI`：Lightweight and fast, balancing quality and speed for effortless creation. - `V6`：Greater musical expression with more natural vocals and richer details. - `V5_5`（Discontinued）：Custom Models Tailored to Your Unique Taste. - `V5`（Discontinued）: Superior musical expression, faster generation. - `V4_5PLUS`（Discontinued）: V4.5+ delivers richer sound, new ways to create, max 8 min. - Values: `V4`, `V4_5`, `V4_5PLUS`, `V4_5ALL`, `V5`, `V5_5`, `V6`, `V6_WILD`, `V6_MINI` Default: `V6`
`negative_tags`	string	optional	Music styles or traits to exclude from the generated audio. - Optional. Use to avoid specific styles. Example: "Heavy Metal, Upbeat Drums"
`vocal_gender`	string	optional	Vocal gender preference for the singing voice. Optional. Use 'm' for male and 'f' for female. Based on practice, this parameter can only increase the probability but cannot guarantee adherence to male/female voice instructions. Do not pass this parameter when `instrumental` is `true`. Values: `m`, `f`
`style_weight`	number	optional	Strength of adherence to the specified style. Optional. Range 0–1, up to 2 decimal places.
`weirdness_constraint`	number	optional	Controls experimental/creative deviation. Optional. Range 0–1, up to 2 decimal places.
`audio_weight`	number	optional	Balance weight for audio features vs. other factors. Optional. Range 0–1, up to 2 decimal places.
`persona_id`	string	optional	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 endpoint to create a personalized music Persona based on generated music. To generate a Voice ID, use the Generate Voice endpoint.
`persona_model`	string	optional	The persona model is only available for models version 5 and 5.5. Values: `voice_persona`, `style_persona`
`duration`	integer	optional	Audio duration in seconds. Optional. Range 10–360, default 20. Valid when `model` is ~~V5_5~~ (Discontinued), V6, V6_MINI, or V6_WILD. Default: `20`
`lyrics`	string	optional	Lyrics for the covered 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 (`upload_url`) is enough to generate. - Do not pass this parameter when `instrumental` is `true`.
`variety`	integer	optional	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 Default: `1`

Pricing

Price on request; the charge is settled from actual consumption with the music coefficient ×2.0. See Pricing & tokens.