MiniMax Music 3.0 API reference

Call MiniMax Music 3.0 from your own code with one PopNow API key. Below are the exact model IDs to send, every input field the model accepts, what each request costs in credits, and a request you can paste into a terminal.

At a glance

Made by: MiniMax
Output: Audio
From: 27 credits per request ($0.27)
Model IDs: minimax/music-3.0/text-to-audio

1 credit = $0.01. A task holds the highest possible charge when it is accepted and settles the real amount when it finishes, rounded up to whole credits; failed tasks are not charged. Ask POST /api/v1/jobs/quote for the exact figure before you run.

Music

minimax/music-3.0/text-to-audio

Price

Option	Credits (per request)	US dollars
`Default`	27	$0.27

Parameters

Field	Type	Default	Allowed	What it does
`prompt`Required	`string`	—	up to 2,000 characters	Style brief for the song: genre, mood, tempo, instruments and the kind of voice. The words to sing go in lyrics.
`lyrics`Optional	`string`	—	up to 3,000 characters	Words to sing, one line per row. Section tags such as [Verse], [Chorus] and [Bridge] on their own rows shape the arrangement.
`generate_lyrics`Optional	`boolean`	`true`	—	Write lyrics from the prompt when lyrics is empty. Lyrics you send are sung as written.
`instrumental`Optional	`boolean`	`false`	—	Generate music with no vocals; lyrics are not needed.
`bitrate`Optional	`integer`	`256000`	32000, 64000, 128000, 256000	MP3 bitrate in bits per second.
`sample_rate`Optional	`integer`	`44100`	16000, 24000, 32000, 44100	Sample rate in Hz.

Example request

This request runs as it is; any field you leave out uses its default. Put your key in POPNOW_API_KEY first.

POST /api/v1/jobs/createTask

curl -X POST "https://api.popnow.ai/api/v1/jobs/createTask" \
  -H "Authorization: Bearer $POPNOW_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "model": "minimax/music-3.0/text-to-audio",
  "input": {
    "prompt": "An upbeat indie pop song about a summer road trip, bright guitars, hand claps and a catchy whistled hook"
  }
}'

The response carries a taskId straight away. Read the result with GET /api/v1/jobs/recordInfo, or add callBackUrl to be notified.

GET /api/v1/jobs/recordInfo

curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=TASK_ID_FROM_CREATE_TASK" \
  -H "Authorization: Bearer $POPNOW_API_KEY"