Source: https://01router.com/docs/models/ltx-2.5-fast/quote
Base URL: https://01router.com/api/v1

# LTX-2.5 Fast · Quote

Same body as creating a generation. Returns every available provider sorted by price, plus the ones that cannot serve the request and why.

`POST /api/v1/quote`

Public · No 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: [   "ltx-2.5-fast" ] |
| 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. |  |
| input.prompt | string | yes |  |  |
| input.image_url | string<uri> | no | Optional start image (image-to-video) |  |
| input.end_image_url | string<uri> | no |  |  |
| input.duration | enum | no |  | default: 6; options: [   6,   8,   10,   12,   14,   16,   18,   20 ] |
| input.resolution | enum | no |  | default: "1080p"; options: [   "720p",   "1080p",   "1440p",   "2160p" ] |
| input.aspect_ratio | enum | no |  | default: "16:9"; options: [   "16:9",   "9:16" ] |
| input.generate_audio | boolean | no |  | default: true |

## Response fields

| Field | Type | Required | Description | Constraints |
| --- | --- | --- | --- | --- |
| model | string | — | Model slug from the catalog. Project keys may use a project-specific model slug. |  |
| input | object | — | Model-specific input object. See the selected model reference for required fields, defaults and limits. |  |
| providers | array | — | Available providers sorted by price, with unit, quantity, price_usd, original_price_usd and credits. |  |
| unavailable | array | — | Rejected providers and the reason each cannot serve the request. |  |

## cURL

```bash
curl 'https://01router.com/api/v1/quote' \
  -H "Content-Type: application/json" \
  -d '{
  "model": "ltx-2.5-fast",
  "input": {
    "prompt": "A cinematic landscape at sunrise.",
    "duration": 6,
    "resolution": "1080p",
    "aspect_ratio": "16:9",
    "generate_audio": true
  }
}'
```

## 200 · application/json

```json
{
  "model": "ltx-2.5-fast",
  "type": "video",
  "input": {
    "prompt": "A cinematic landscape at sunrise.",
    "duration": 6,
    "resolution": "1080p",
    "aspect_ratio": "16:9",
    "generate_audio": true
  },
  "providers": [
    {
      "provider": "01router",
      "provider_name": "01Router",
      "unit": "second",
      "quantity": 5,
      "price_usd": 1,
      "original_price_usd": null,
      "credits": 100
    }
  ],
  "unavailable": []
}
```