> ## Documentation Index
> Fetch the complete documentation index at: https://docs.gptproto.com/llms.txt
> Use this file to discover all available pages before exploring further.

# GPT-4o-Transcribe - Text To Text

> GPT-4o-Transcribe — Text To Text. GPTProto API reference.

OpenAI's official format for the text to text API.

<CodeGroup>
  ```json 401 - Invalid signature theme={null}
  {
    "error": {
      "message": "Invalid signature",
      "type": "401"
    }
  }
  ```

  ```json 403 - Insufficient balance theme={null}
  {
    "error": {
      "message": "Insufficient balance",
      "type": "403"
    }
  }
  ```

  ```json 500 - Internal server error theme={null}
  {
    "error": {
      "message": "Internal server error",
      "type": "500"
    }
  }
  ```

  ```json 503 - Content policy violation theme={null}
  {
    "error": {
      "message": "Input may not meet the guidelines. Please adjust and try again.",
      "type": "503"
    }
  }
  ```
</CodeGroup>

## Parameters

| Parameter         | Type   | Required | Default             | Description                |
| ----------------- | ------ | -------- | ------------------- | -------------------------- |
| `file`            | string | ✅ Yes    | -                   | file parameter             |
| `model`           | string | ✅ Yes    | `gpt-4o-transcribe` | model parameter            |
| `language`        | string | ✅ Yes    | `zh`                | language parameter         |
| `prompt`          | string | ✅ Yes    | -                   | prompt parameter           |
| `response_format` | string | ✅ Yes    | `json`              | response\_format parameter |
| `temperature`     | string | ✅ Yes    | `0`                 | temperature parameter      |