> ## 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.

# Veo3.1-Fast - Query Task - gptproto

> Veo3.1-Fast — Query Task (gptproto). GPTProto API reference.

Gptproto's GPTProto format for the query task API.

<CodeGroup>
  ```bash cURL theme={null}
  curl -X GET "https://gptproto.com/api/v3/predictions/{task_id}/result" \
    -H "Authorization: sk-***********" \
    -H "Content-Type: application/json"
  ```

  ```python Python theme={null}
  import requests
  import json

  url = "https://gptproto.com/api/v3/predictions/{task_id}/result"
  headers = {
      "Authorization": "sk-***********",
      "Content-Type": "application/json"
  }

  response = requests.get(url, headers=headers)
  result = response.json()
  print(json.dumps(result, indent=2))
  ```

  ```javascript JavaScript theme={null}
  const url = "https://gptproto.com/api/v3/predictions/{task_id}/result";
  const headers = {
    "Authorization": "sk-***********",
    "Content-Type": "application/json"
  };

  fetch(url, {
    method: "GET",
    headers: headers
  })
    .then(response => response.json())
    .then(data => console.log(data))
    .catch(error => console.error("Error:", error));
  ```

  ```go Go theme={null}
  package main

  import (
      "encoding/json"
      "fmt"
      "io/ioutil"
      "net/http"
  )

  func main() {
      url := "https://gptproto.com/api/v3/predictions/{task_id}/result"

      req, _ := http.NewRequest("GET", url, nil)
      req.Header.Set("Authorization", "sk-***********")
      req.Header.Set("Content-Type", "application/json")

      client := &http.Client{}
      resp, err := client.Do(req)
      if err != nil {
          panic(err)
      }
      defer resp.Body.Close()

      body, _ := ioutil.ReadAll(resp.Body)
      fmt.Println(string(body))
  }
  ```
</CodeGroup>

<CodeGroup>
  ```json 200 - Success theme={null}
  {
    "status": "success",
    "result": {}
  }
  ```

  ```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                                      |
| ------------------------ | ------ | -------- | ------- | ------------------------------------------------ |
| `Authorization` (Header) | string | ✅ Yes    | -       | Your API key in the format: `sk-***********`     |
| `task_id` (Path)         | string | ✅ Yes    | -       | The task ID returned from the generation request |