API docsAPI reference

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/quotePublic · No API key

elevenlabs-tts-v4Audio · ElevenLabsModel details & pricing

Endpoints for this model

POST/generationsCreate a generation GET/generations/{id}Get the result POST/generations/{id}/cancelCancel a task POST/quoteQuote GET/models/{slug}Get one model

Parameter scope

Select a provider to see its effective parameter limits. Automatic routing chooses a provider that supports your input. Examples include defaults and required inputs; replace example media URLs with accessible files.

Request

cURL

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"
  }
}'

Input parameters

JSON body

model stringRequired: Model slug from the catalog. Project keys may use a project-specific model slug.
Allowed values:"elevenlabs-tts-v4"
input objectRequired: Model-specific input object. See the selected model reference for required fields, defaults and limits.
provider stringOptional: Optional provider slug. Omit for automatic routing; project settings may pin the provider.
project stringOptional: Optional project ID. Use its published model catalog and routing configuration.
input.prompt stringRequired: Maximum length:5000
input.voice stringOptional: Default:"Rachel"
input.stability numberOptional: Default:0.5
Minimum:0
Maximum:1
input.similarity_boost numberOptional: Default:0.75
Minimum:0
Maximum:1
input.language_code stringOptional: ISO 639-1, e.g. en or zh
input.seed integerOptional: Minimum:0
Maximum:4294967295
input.output_format enumOptional: Default:"mp3_44100_128"
Allowed values:"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 enumOptional: Default:"auto"
Allowed values:"auto""on""off"

Response example

200 · application/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": []
}

Responses are illustrative. IDs, usage, prices and results depend on the actual request.

Response fields

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.

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