curl --request POST \
  --url https://api.example.com/api/ai/chat/completion \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "openai/gpt-4",
  "messages": [
    {
      "role": "user",
      "content": "<string>",
      "tool_calls": [
        {
          "id": "<string>",
          "type": "function",
          "function": {
            "name": "<string>",
            "arguments": "<string>"
          }
        }
      ],
      "tool_call_id": "<string>"
    }
  ],
  "stream": false,
  "temperature": 1,
  "maxTokens": 123,
  "topP": 0.5,
  "systemPrompt": "<string>",
  "webSearch": {
    "enabled": true,
    "engine": "native",
    "maxResults": 5,
    "searchPrompt": "<string>"
  },
  "fileParser": {
    "enabled": true,
    "pdf": {
      "engine": "pdf-text"
    }
  },
  "thinking": true,
  "tools": [
    {
      "type": "function",
      "function": {
        "name": "<string>",
        "description": "<string>",
        "parameters": {}
      }
    }
  ],
  "toolChoice": "auto",
  "parallelToolCalls": true
}
'

{
  "text": "<string>",
  "tool_calls": [
    {
      "id": "<string>",
      "type": "function",
      "function": {
        "name": "<string>",
        "arguments": "<string>"
      }
    }
  ],
  "annotations": [
    {
      "type": "url_citation",
      "urlCitation": {
        "url": "<string>",
        "title": "<string>",
        "content": "<string>",
        "startIndex": 123,
        "endIndex": 123
      }
    }
  ],
  "metadata": {
    "model": "<string>",
    "usage": {
      "promptTokens": 123,
      "completionTokens": 123,
      "totalTokens": 123
    }
  }
}