Tracks API - AI Music Generation APIs

Tracks API, content creators, filmmakers, and musicians can generate high-quality original music tracks for their projects. The API offers intuitive controls for style, tempo, and mood, making professional music creation accessible to users of all skill levels.

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Track v1.0 Text to Music API Documentation

https://gateway.pixazo.ai/tracks/v1

Authentication

All requests require an API key passed via header.

Header	Type	Required	Description
Ocp-Apim-Subscription-Key	string	Yes	Your API subscription key

Generate Music - Tracks

Request Code

POST https://gateway.pixazo.ai/tracks/v1/generate
Content-Type: application/json
Cache-Control: no-cache
Ocp-Apim-Subscription-Key: YOUR_SUBSCRIPTION_KEY

{
  "prompt": "A cinematic Hans Zimmer style orchestral piece, building tension with heavy percussion and brass, epic atmosphere",
  "lyrics": "",
  "instrumental": true,
  "duration": 120,
  "bpm": 140,
  "infer_steps": 25,
  "guidance_scale": 7.5,
  "seed": 42
}

import requests

url = "https://gateway.pixazo.ai/tracks/v1/generate"
headers = {
    "Content-Type": "application/json",
    "Cache-Control": "no-cache",
    "Ocp-Apim-Subscription-Key": "YOUR_SUBSCRIPTION_KEY"
}
data = {
    "prompt": "A cinematic Hans Zimmer style orchestral piece, building tension with heavy percussion and brass, epic atmosphere",
    "lyrics": "",
    "instrumental": True,
    "duration": 120,
    "bpm": 140,
    "infer_steps": 25,
    "guidance_scale": 7.5,
    "seed": 42
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

const url = 'https://gateway.pixazo.ai/tracks/v1/generate';

const data = {
  prompt: 'A cinematic Hans Zimmer style orchestral piece, building tension with heavy percussion and brass, epic atmosphere',
  lyrics: '',
  instrumental: true,
  duration: 120,
  bpm: 140,
  infer_steps: 25,
  guidance_scale: 7.5,
  seed: 42
};

fetch(url, {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Cache-Control': 'no-cache',
    'Ocp-Apim-Subscription-Key': 'YOUR_SUBSCRIPTION_KEY'
  },
  body: JSON.stringify(data)
})
.then(response => response.json())
.then(data => console.log(data))
.catch(error => console.error('Error:', error));

curl -v -X POST "https://gateway.pixazo.ai/tracks/v1/generate" \
  -H "Content-Type: application/json" \
  -H "Cache-Control: no-cache" \
  -H "Ocp-Apim-Subscription-Key: YOUR_SUBSCRIPTION_KEY" \
  --data-raw '{
    "prompt": "A cinematic Hans Zimmer style orchestral piece, building tension with heavy percussion and brass, epic atmosphere",
    "lyrics": "",
    "instrumental": true,
    "duration": 120,
    "bpm": 140,
    "infer_steps": 25,
    "guidance_scale": 7.5,
    "seed": 42
  }'

Output

{
  "request_id": "tracks_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/tracks_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Try Now

Webhook (Optional)

Add the X-Webhook-URL header to your generate request to receive a POST callback instead of polling.

X-Webhook-URL: https://your-server.com/webhook/callback

Request Parameters - Generate Music

Parameter	Required	Type	Description
prompt	Yes	string	Describes the overall musical style, genre, mood, instrumentation, and atmosphere.
lyrics	No	string	Temporal script of the song. Controls structure, sections, vocal style, instrumental breaks, and lyrical content.
instrumental	No	boolean	If true, generates instrumental-only music (no vocals).
duration	No	integer	Target duration in seconds.
bpm	No	integer	Target tempo in beats per minute. Beats per minute (30-300). enables auto-detection via LM.
infer_steps	No	integer	Number of denoising steps. Base model: 1-200 (recommended 32-64). Higher = better quality but slower.
guidance_scale	No	float	Controls how strongly the model follows the prompt. Typical range: 5.0-9.0.
seed	No	integer	Used for reproducibility. Same seed and parameters produce similar outputs. Random seed for reproducibility. Use -1 for random seed, or any positive integer for fixed seed.

Example Request

{
  "prompt": "A cinematic Hans Zimmer style orchestral piece, building tension with heavy percussion and brass, epic atmosphere",
  "lyrics": "",
  "instrumental": true,
  "duration": 120,
  "bpm": 140,
  "infer_steps": 25,
  "guidance_scale": 7.5,
  "seed": 42
}

Response

{
  "request_id": "tracks_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "QUEUED",
  "polling_url": "https://gateway.pixazo.ai/v2/requests/status/tracks_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
}

Request Headers

Header	Value
Content-Type	application/json
Cache-Control	no-cache
Ocp-Apim-Subscription-Key	YOUR_SUBSCRIPTION_KEY

Response Handling

Common status codes.

Code	Meaning
202	Accepted — Request queued
400	Bad Request
401	Unauthorized
402	Insufficient Balance
403	Forbidden
429	Too Many Requests
500	Internal Server Error

Error Responses

Queue system errors and model validation errors.

Queue System Errors

// 402 — Insufficient balance
{
  "error": "Insufficient Balance",
  "message": "Your wallet does not have enough balance."
}

// 400 — Model not found
{
  "error": "Model not found",
  "message": "Model 'tracks' not found or is disabled"
}

Error via Status/Webhook

{
  "request_id": "tracks_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "ERROR",
  "model_id": "tracks",
  "error": "Description of the error",
  "output": null
}

Retrieving Results

Poll the universal status endpoint to check progress and retrieve results.

Endpoint

GET https://gateway.pixazo.ai/v2/requests/status/{request_id}
Ocp-Apim-Subscription-Key: YOUR_API_KEY

cURL Example

curl -H "Ocp-Apim-Subscription-Key: YOUR_API_KEY" \
  "https://gateway.pixazo.ai/v2/requests/status/tracks_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Response (Completed)

{
  "request_id": "tracks_019dxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
  "status": "COMPLETED",
  "model_id": "tracks",
  "error": null,
  "output": {
    "media_url": [
      "https://pub-582b7213209642b9b995c96c95a30381.r2.dev/v1/tracks_019dxxxx-xxxx/output.ext"
    ],
    "media_type": "application/octet-stream"
  },
  "created_at": "2026-03-31T10:00:00.000Z",
  "updated_at": "2026-03-31T10:00:15.000Z",
  "completed_at": "2026-03-31T10:00:15.000Z"
}

Response Fields

Field	Type	Description
request_id	string	Unique request identifier
status	string	QUEUED, PROCESSING, COMPLETED, FAILED, or ERROR
model_id	string	Model that processed the request
error	string\|null	Error message if failed
output.media_url	array	URLs to generated media (R2 CDN)
output.media_type	string	MIME type of the output
created_at	string	When request was created
completed_at	string\|null	When request completed
polling_url	string	Status URL (initial response only)

Status Values

Status	Description
QUEUED	Request accepted, waiting to be processed
PROCESSING	Being processed by the model
COMPLETED	Done — output contains the result
FAILED	Failed — check error field
ERROR	System error — not charged

Status Flow

QUEUED → PROCESSING → COMPLETED
                    → FAILED
                    → ERROR

Typical Workflow

Send a generate request to the API endpoint
Save the request_id from the response
Poll every 5-10 seconds: GET /v2/requests/status/{request_id}
When status is "COMPLETED", download from output.media_url

Tip: Use X-Webhook-URL header to get a callback instead of polling.

Track v1.0 Text to Music API Pricing

Resolution	Price (USD)
All	$0