Source: https://01router.com/docs/models/gemini-3.8-flash-tts/quote
Base URL: https://01router.com/api/v1

# Gemini 3.8 Flash TTS · 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: [   "gemini-3.8-flash-tts" ] |
| 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.voice | enum | no |  | default: "Kore"; options: [   "Kore",   "Puck",   "Charon",   "Fenrir",   "Leda",   "Orus",   "Aoede",   "Zephyr",   "Callirrhoe",   "Autonoe",   "Enceladus",   "Iapetus",   "Umbriel",   "Algieba",   "Despina",   "Erinome",   "Algenib",   "Rasalgethi",   "Laomedeia",   "Achernar",   "Alnilam",   "Schedar",   "Gacrux",   "Pulcherrima",   "Achird",   "Zubenelgenubi",   "Vindemiatrix",   "Sadachbia",   "Sadaltager",   "Sulafat" ] |
| input.style_instructions | string | no | e.g. "cheerful and friendly"; billing depends on the provider |  |

## 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": "gemini-3.8-flash-tts",
  "input": {
    "prompt": "A cinematic landscape at sunrise.",
    "voice": "Kore"
  }
}'
```

## 200 · application/json

```json
{
  "model": "gemini-3.8-flash-tts",
  "type": "audio",
  "input": {
    "prompt": "A cinematic landscape at sunrise.",
    "voice": "Kore"
  },
  "providers": [
    {
      "provider": "01router",
      "provider_name": "01Router",
      "unit": "second",
      "quantity": 5,
      "price_usd": 1,
      "original_price_usd": null,
      "credits": 100
    }
  ],
  "unavailable": []
}
```