List Speech-to-Text Models

GET 
https://api.knoxstudio.ai/v1/speech-to-text/models

Returns STT models. Use id as model_id. Batch default is scribe_v2; WebSocket default is scribe_v2_realtime. See Speech to Text.

Authentication is optional (public catalog 60/min, cached 5 minutes; a token filters the list).

Request

Request Headers

Name	Type	Required	Description
Authorization	String	No	Optional Bearer <token>. Omit for the public catalog. xi-api-key is also accepted.

cURL Example

curl -X GET https://api.knoxstudio.ai/v1/speech-to-text/models

Response

Success Response (200)

{
  "data": [
    {
      "id": "scribe_v2",
      "canonical_slug": "scribe_v2",
      "name": "ElevenLabs Scribe v2",
      "created": 1751328000,
      "description": "Speech-to-text transcription with 90+ languages, word-level timestamps, and optional entity detection. Billed per audio hour.",
      "chinese_description": "语音转文本，支持 90 余种语言、词级时间戳与实体检测，按音频小时计费。",
      "pricing": {
        "per_hour": "0.27",
        "entity_detection": "0.12",
        "keyterm_prompting": "0.10"
      },
      "architecture": {
        "modality": "audio",
        "input_modalities": ["audio"],
        "output_modalities": ["text"],
        "tokenizer": "elevenlabs"
      }
    }
  ]
}

Also listed: scribe_v2_realtime (per_hour: 0.44).

Response Schema

Name	Type	Description
data[].id	string	Send as model_id.
data[].pricing.per_hour	string	USD per audio hour.
data[].pricing.entity_detection	string	Add-on USD per hour (0.12).
data[].pricing.keyterm_prompting	string	Add-on USD per hour (0.10).

Error Responses

Validation uses HTTP 422:

{
  "detail": [
    {
      "loc": ["body", "field"],
      "msg": "…",
      "type": "value_error"
    }
  ]
}

Other errors use { "detail": "message" }.

Status	When
400	WebSocket path called without Upgrade: websocket.
401	Missing or invalid API key.
402	Insufficient credits.
403	Token is not allowed to use this model.
404	Resource not found.
422	Validation error.
429	Rate limit exceeded.
500	Internal server error.