Source: https://01router.com/docs/models/suno-v6/create
Base URL: https://01router.com/api/v1

# Suno V6 · Create a generation

Pass the model id, its unified input parameters and optionally a provider slug. The response returns immediately with the task id; image models on synchronous providers may already be succeeded.

`POST /api/v1/generations`

Bearer API key

## Input parameters

| Field | Type | Required | Description | Constraints |
| --- | --- | --- | --- | --- |
| model | string | yes | Model slug from the catalog. Project keys may use a project-specific model slug. | options: [   "suno-v6" ] |
| input | object | yes | Model-specific input object. See the selected model reference for required fields, defaults and limits. |  |
| provider | string | no | Optional provider slug. Omit for automatic routing; project settings may pin the provider. |  |
| project | string | no | Optional project ID. Use its published model catalog and routing configuration. |  |
| callback_url | string<uri> | no | Public HTTPS URL, up to 1,000 characters. Receives the final generation object. Private network addresses are rejected. |  |
| input.prompt | string | no | Song description (simple mode) or lyrics (custom mode) |  |
| input.custom_mode | boolean | no | Use your own lyrics, style and title | default: false |
| input.instrumental | boolean | no |  | default: false |
| input.style | string | no | Custom mode only, e.g. "dream pop, female vocals" |  |
| input.title | string | no | Custom mode only |  |
| input.negative_tags | string | no |  |  |
| input.vocal_gender | enum | no |  | options: [   "m",   "f" ] |
| input.duration | integer | no | Custom mode only | min: 10; max: 360 |

## Response fields

| Field | Type | Required | Description | Constraints |
| --- | --- | --- | --- | --- |
| id | string | — | Generation ID returned by the create request. |  |
| object | "generation" | — | generation |  |
| model | string | — | Model slug from the catalog. Project keys may use a project-specific model slug. |  |
| type | video \| image \| audio \| chat | — |  |  |
| provider | string | — | Optional provider slug. Omit for automatic routing; project settings may pin the provider. |  |
| status | string | — | queued / processing / succeeded / failed. Stop polling on succeeded or failed. |  |
| input | object | — | Model-specific input object. See the selected model reference for required fields, defaults and limits. |  |
| outputs | string[] | — | Result file URLs. Empty until available; download promptly because URLs may expire. |  |
| error | string \| null | — | Error message on failure; null otherwise. |  |
| credits | number | — | Credits charged for this generation; zero after a refund. |  |
| price_usd | number | — | Price of this generation in USD; zero after a refund. |  |
| created_at | string | — | Creation time in ISO 8601 format. |  |
| completed_at | string \| null | — | Completion time in ISO 8601 format, or null while running. |  |

## cURL

```bash
curl 'https://01router.com/api/v1/generations' \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "suno-v6",
  "input": {
    "prompt": "A cinematic landscape at sunrise.",
    "custom_mode": false,
    "instrumental": false
  }
}'
```

## 200 · application/json

```json
{
  "id": "gen_example",
  "object": "generation",
  "model": "suno-v6",
  "type": "audio",
  "provider": "kie",
  "status": "processing",
  "input": {
    "prompt": "A cinematic landscape at sunrise.",
    "custom_mode": false,
    "instrumental": false
  },
  "outputs": [],
  "error": null,
  "credits": 100,
  "price_usd": 1,
  "created_at": "2026-10-25T08:00:00.000Z",
  "completed_at": null
}
```

## Usage notes

- Poll at intervals of at least 3 seconds. A 504 from the synchronous image endpoint means the task may still be running: poll its error.id instead of submitting it again.