Music Extension API

extend-music

Music Extension is a music model from Other, available through the GPUniq API under the identifier `extend-music`. Extend an existing track. Pricing starts at $0.20 per track. Generation runs as a job through the GPUniq API: you submit the prompt, poll for the result, and the exact charge comes back with the finished asset.

Try extend-music API documentation

Pricing

Billed once per finished track, regardless of prompt length. Failed jobs are not billed.

Billed for	GPUniq
Generationper track	$0.20

Billed from your GPUniq balance as you use it — no subscription, no monthly minimum, no per-seat fee. Prices refresh from the live catalog hourly.

Specifications

What the model accepts, what it returns, and the limits you will hit first.

API identifier: extend-music
Pass this exact string as the "model" field of your request.
Type: Music generation
Served by Other.

Detailed specs are not published for this model. Everything above comes from the GPUniq catalog; we would rather show less than guess.

How to call it

Generation runs as a job — submit the prompt, then poll the job id until the asset is ready.

Endpoint

POST /v1/llm/music/jobs

Base URL

https://api.gpuniq.com

curl https://api.gpuniq.com/v1/llm/music/jobs \
  -H "Authorization: Bearer YOUR_GPUNIQ_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "extend-music",
    "prompt": "Warm lo-fi beat for a rainy evening",
    "style": "Lo-fi, mellow",
    "title": "Rainy Evening",
    "instrumental": true
  }'

# poll until done
curl https://api.gpuniq.com/v1/llm/music/jobs/JOB_ID -H "Authorization: Bearer YOUR_GPUNIQ_API_KEY"

Create a key on /chat and send it as a bearer token. The same key works across every model in the catalog, so switching models means changing one string.

extend-music — frequently asked

How much does extend-music cost?

$0.20 per track on GPUniq, charged from your balance as you use it. There is no subscription and no monthly minimum.

How do I call extend-music from my code?

Send a generation request to the GPUniq API with "extend-music" as the model, then poll the returned job id until the asset is ready. A GPUniq API key is the only credential involved.