curl --request POST \
  --url https://api.qclawrouter.com/v1/chat/completions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "gpt-4o",
  "messages": [
    {
      "role": "system",
      "content": "<string>"
    }
  ],
  "stream": false,
  "temperature": 1,
  "max_tokens": 123,
  "top_p": 1,
  "frequency_penalty": 0,
  "presence_penalty": 0,
  "stop": "<string>"
}
'

{
  "id": "chatcmpl-abc123",
  "object": "chat.completion",
  "created": 1234567890,
  "model": "gpt-4o",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "你好！有什么我能帮助你的吗？"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 20,
    "completion_tokens": 15,
    "total_tokens": 35
  }
}