ACE-Step Music API

Recommended

ACE Studio, open modelacestep-musicModel source: Hugging Face

Composes a complete song from lyrics and a style.

ACE-Step composes a complete song from lyrics and a style description, and can also make a cover in another style or redo one section. It is not instant: you request the song, wait, and download it when it is ready. €0.50 per song.

What it does

Text to music

music

How it is charged

Each song

0.50 €

Where it runs

Spain (EU)

MIG B200

Brain size

Small and fast

Text to music, Cover versions, Redo sections, Split stems, Edit the song

What it is good at

Full songs from text. Write the lyrics and describe the style; you get a finished track with vocals and music.
Cover versions. Takes a song and plays it in another style.
Regenerating one section. Redo the part that does not work without starting the whole song over.

Use cases: jingles, background music, prototypes, education.

Pricing

€ per song, VAT included

Each song (use)0.50 €

try it with 5 € freeActivated with your card, and you only pay for what you use.

For your technical team

It is asynchronous: you send the request, poll the status until it finishes and download the track.

# 1. Enviar: devuelve un job_id (HTTP 202)
curl -sX POST https://api.gpuflow.ai/v1/music/generations \
  -H "Authorization: Bearer $GPUFLOW_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "model": "acestep-music",
        "lyrics": "la la la, sunny day",
        "caption": "upbeat pop, piano",
        "duration_seconds": 60 }'

# 2. Consultar el estado hasta "succeeded" (tarda minutos)
curl https://api.gpuflow.ai/v1/music/generations/JOB_ID \
  -H "Authorization: Bearer $GPUFLOW_API_KEY"

# 3. Descargar la pista
curl https://api.gpuflow.ai/v1/music/generations/JOB_ID/audio \
  -H "Authorization: Bearer $GPUFLOW_API_KEY" --output song.mp3

Limits and formats

Requests per minute: 1,000 per key, with bursts up to double; raisable to 5,000 from the dashboard.
How it works: Asynchronous: you send the request, check the status and download the track when it is ready.

Frequently asked questions

How much does ACE-Step Music cost?

€0.50 per song, VAT included. No monthly fee.

Where does it run?

On our NVIDIA B200 GPUs, in a data centre in Spain.

How do I get the song?

It is asynchronous: you send the request to /v1/music/generations and get an id back, poll its status, and download the track when it is finished.