API reference · MiniMax

minimax/music/3

Integrate this model through SandBase's unified API, with production-ready schemas and examples.

AUDIOAsyncOpen model

Production endpoint

Send your first request

OpenAI-compatible endpoint with unified authentication and usage tracking.

POSThttps://api.sandbase.ai/v1/run

Model IDminimax/music/3

Input Schema

4 parameters · 2 required · 2 optional

Parameter	Type	Required	Description
`lyrics`	string	Required	Lyrics to sing. Put structure tags such as [intro], [verse], [chorus], [bridge], [instrumental], and [outro] on their own lines. · Min length: 1
`prompt`	string	Required	Music description: style, mood, vocals, instrumentation, and arrangement. · Min length: 1
`seed`	integer	Optional	Random seed for reproducible results. Omit for a random seed. · Min: 0 · Max: 2147483647
`duration`	integer	Optional	Upper bound on the generated song length in seconds (1-300). The model may stop earlier; billing uses this upper bound. · Min: 1 · Max: 300 · Default: 60

Output Schema

Field	Type	Description
`id`	string	Unique identifier for the generation task
`status`	string	Task status: pending, running, completed, failed, timeout
`model`	string	Model used for the generation
`outputs`	array	Array of output items
`outputs[].url`	string	URL of the generated artifact
`outputs[].content_type`	string	MIME type (e.g. image/png, video/mp4)
`error`	object \| null	Error details if failed, null on success
`error.type`	string	Machine-readable error type code
`error.message`	string	Human-readable error description

Async Workflow

This model uses asynchronous execution. Submit a request and poll for the result.

Submit — POST to /v1/run, receive an id
Poll — GET /v1/run/{id} until status is completed, failed, or timeout
Retrieve — Read outputs from the completed response

Code Examples

Ready-to-run snippets

const apiKey = process.env.SANDBASE_API_KEY;
const response = await fetch("https://api.sandbase.ai/v1/run", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${apiKey}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "minimax/music/3",
    "lyrics": "[verse]\nMorning light filtering through the pine\nEvery quiet street is yours and mine\n[chorus]\nSoftly the world begins to breathe",
    "prompt": "Genre: acoustic pop. BPM: 96. Key: C major. Warm and intimate, building gently into the chorus. Vocals: soft female lead, close and breathy, light stacked harmonies in the chorus. Arrangement: fingerpicked guitar and soft piano; brushed drums and upright bass enter in the chorus.",
    "duration": 60
  }),
});

if (!response.ok) throw new Error(await response.text());
let result = await response.json();
for (let attempt = 0; attempt < 120 && !["completed", "failed", "timeout"].includes(result.status); attempt++) {
  await new Promise((resolve) => setTimeout(resolve, 2_000));
  const poll = await fetch(`https://api.sandbase.ai/v1/run/${result.id}`, {
    headers: { Authorization: `Bearer ${apiKey}` },
  });
  if (!poll.ok) throw new Error(await poll.text());
  result = await poll.json();
}
if (result.status !== "completed") throw new Error(`Generation ended: ${result.status}`);
console.log(result);

← Back to MiniMax Music 3