curl --request POST \
  --url https://api.foxapi.cc/v1/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "claude-sonnet-4-20250514",
  "max_tokens": 1024,
  "messages": [
    {
      "role": "user",
      "content": "深圳现在天气怎么样？适合去海边吗？"
    }
  ],
  "tools": [
    {
      "name": "get_weather",
      "description": "获取指定城市的当前天气信息",
      "input_schema": {
        "type": "object",
        "properties": {
          "city": {
            "type": "string",
            "description": "城市名称"
          },
          "unit": {
            "type": "string",
            "enum": [
              "celsius",
              "fahrenheit"
            ],
            "description": "温度单位"
          }
        },
        "required": [
          "city"
        ]
      }
    }
  ]
}
'