ai-music-api/generate
Generate, extend, cover, mash up, and split Suno songs on ModelFold. V6 Mini is the fast default. Lyrics, WAV, MIDI, music video, and voice tools are included. Failed jobs are refunded.
Pricing: Generate song: 16 credits / call
Playground
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Suno music API on ModelFold
Create a song, extend it, cover it, add vocals or accompaniment, split stems, and export lyrics, WAV, MIDI, or a music video. The playground and the jobs API use the same parameters. Failed calls are refunded. Docs: https://modelfold.ai/docs/suno-api/generate-music Model: https://modelfold.ai/models/suno
What you can call
One Suno model, many operations. Pick the operation in the playground or pass its id as model.
Generate song
ai-music-api/generate
Extend
ai-music-api/extend
Cover
ai-music-api/upload-and-cover-audio
Upload and extend
ai-music-api/upload-and-extend-audio
Add instrumental
ai-music-api/add-instrumental
Add vocals
ai-music-api/add-vocals
How pricing works
Each call has an upstream credit cost. ModelFold charges ceil(cost × the site markup). The markup is the same price_markup setting used by the rest of the site. Vocal separation has three prices: vocals plus instrumental, one named stem, and all stems. A few tools are free. If a provider reports a higher cost than the quote, the difference is charged when the job succeeds.
Chain a follow-up call
The result lists every audio file and a text sidecar. sourceTaskId is the id follow-up calls expect. audio_id is the track id. Do not send the ModelFold task id as task_id.
- 1
1
Generate a song and keep sourceTaskId plus audio_id.
- 2
2
Extend, cover, WAV, MIDI, video, and separation need both ids.
- ✓
3
Upload operations need a public audio URL.
| Generate song | 16 credits |
| Extend | 16 credits |
| Cover | 16 credits |
| Upload and extend | 16 credits |
| Add instrumental | 16 credits |
| Add vocals | 16 credits |
| Mashup | 16 credits |
| Separate vocals | 13 credits |
| Replace section | 7 credits |
| Sound effect | 4 credits |
| Music video | 3 credits |
| Timestamped lyrics | 1 credits |
| Lyrics | 1 credits |
| Boost style | 1 credits |
| Convert to WAV | 1 credits |
| Recover audio | 1 credits |
| Cover image | 0 credits |
| Persona | 0 credits |
| MIDI | 0 credits |
| Create voice | 0 credits |
| Check voice | 0 credits |
| Validation phrase | 0 credits |
| Regenerate phrase | 0 credits |
| One stem | 26 credits |
| All stems | 65 credits |
Price is the upstream cost times the site markup, rounded up. Failed jobs are refunded in full. Some tools are free.
curl https://modelfold.ai/api/v1/jobs/createTask \
-H "Authorization: Bearer $MODELFOLD_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"ai-music-api/generate","input":{"custom_mode":false,"instrumental":true,"model":"V6_MINI","style":"acoustic guitar","prompt":"A short sunny acoustic sketch"}}'