Source: https://01router.com/docs/models/elevenlabs-tts-v4/quote
Base URL: https://01router.com/api/v1

# ElevenLabs Eleven v4 · 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: [   "elevenlabs-tts-v4" ] |
| 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 |  | maxLength: 5000 |
| input.voice | string | no |  | default: "Rachel" |
| input.stability | number | no |  | default: 0.5; min: 0; max: 1 |
| input.similarity_boost | number | no |  | default: 0.75; min: 0; max: 1 |
| input.language_code | string | no | ISO 639-1, e.g. en or zh |  |
| input.seed | integer | no |  | min: 0; max: 4294967295 |
| input.output_format | enum | no |  | default: "mp3_44100_128"; options: [   "mp3_22050_32",   "mp3_44100_32",   "mp3_44100_64",   "mp3_44100_96",   "mp3_44100_128",   "mp3_44100_192",   "pcm_8000",   "pcm_16000",   "pcm_22050",   "pcm_24000",   "pcm_44100",   "pcm_48000",   "ulaw_8000",   "alaw_8000",   "opus_48000_32",   "opus_48000_64",   "opus_48000_96",   "opus_48000_128",   "opus_48000_192" ] |
| input.apply_text_normalization | enum | no |  | default: "auto"; options: [   "auto",   "on",   "off" ] |

## 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": "elevenlabs-tts-v4",
  "input": {
    "prompt": "A cinematic landscape at sunrise.",
    "voice": "Rachel",
    "stability": 0.5,
    "similarity_boost": 0.75,
    "output_format": "mp3_44100_128",
    "apply_text_normalization": "auto"
  }
}'
```

## 200 · application/json

```json
{
  "model": "elevenlabs-tts-v4",
  "type": "audio",
  "input": {
    "prompt": "A cinematic landscape at sunrise.",
    "voice": "Rachel",
    "stability": 0.5,
    "similarity_boost": 0.75,
    "output_format": "mp3_44100_128",
    "apply_text_normalization": "auto"
  },
  "providers": [
    {
      "provider": "01router",
      "provider_name": "01Router",
      "unit": "second",
      "quantity": 5,
      "price_usd": 1,
      "original_price_usd": null,
      "credits": 100
    }
  ],
  "unavailable": []
}
```