> ## Documentation Index
> Fetch the complete documentation index at: https://veniceai-feat-models-redesign.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.
# ACE-Step 1.5 API
> ACE-Step 1.5 API on Venice: music generation, $0.03 per minute of audio. Anonymized access without your identity. Pricing, specs and code examples.
export const HubMount = ({view, children, ...props}) => {
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useEffect(() => {
let alive = true;
const w = window;
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const urls = w.location.hostname === 'localhost' ? ['http://localhost:3333/data/model-hub.bundle.json', '/data/model-hub.bundle.json'] : ['/data/model-hub.bundle.json'];
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cache: 'no-cache'
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return () => {
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const View = hub ? hub[view] : null;
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The interactive model catalog could not load. The full data is below.
{children}
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};
# ACE-Step 1.5 API
ACE-Step 1.5 is a music generation model by ACE Studio, available on the Venice API as `ace-step-15`. Requests are anonymized, so the provider never sees your identity.
Feature-rich song generation with optional lyrics and detailed musical controls.
## ACE-Step 1.5 API pricing
| Model ID | Variant | Privacy | Price |
| - | - | - | - |
| `ace-step-15` | Standard | Anonymized | \$0.03 per minute of audio |
## ACE-Step 1.5 specifications
| Spec | Value |
| - | - |
| Provider | ACE Studio |
| Released | Feb 23, 2026 |
| Privacy | Anonymized |
## How to use the ACE-Step 1.5 API
Send requests to `POST https://api.venice.ai/api/v1/audio/queue` with `"model": "ace-step-15"` and your API key.
```bash theme={null}
# 1. Queue the job
curl https://api.venice.ai/api/v1/audio/queue \
-H "Authorization: Bearer $VENICE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "ace-step-15",
"prompt": "Warm lo-fi hip hop beat with soft piano and vinyl crackle",
"duration_seconds": 30
}'
# 2. Retrieve when ready
curl https://api.venice.ai/api/v1/audio/retrieve \
-H "Authorization: Bearer $VENICE_API_KEY" \
-H "Content-Type: application/json" \
-d '{ "model": "ace-step-15", "queue_id": "" }' --output audio.mp3
```
## ACE-Step 1.5 API FAQ
### How much does the ACE-Step 1.5 API cost?
\$0.03 per minute of generated audio. Prices are in USD and can be paid in DIEM at parity.
### What is the ACE-Step 1.5 model ID?
Use `ace-step-15` as the `model` parameter.
### Is the ACE-Step 1.5 API private?
ACE-Step 1.5 is anonymized: Venice forwards requests to the provider without your identity, but the provider may retain prompt data, so use a private model for sensitive work.
### Which endpoint does the ACE-Step 1.5 API use?
Queue a job with `POST /audio/queue`, then poll `/audio/retrieve` for the result.
## Related models
* [MiniMax Music 2.0 API](/models/minimax-music-2-0): \$0.04 per track
* [Lyria 3 Pro API](/models/lyria-3-pro): \$0.10 per track
* [Stable Audio 2.5 API](/models/stable-audio-2-5): \$0.19 per track
* [MiniMax Music 2.5 API](/models/minimax-music-2-5): \$0.18 per track
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