工具调用

curl --location 'https://4sapi.com/v1/chat/completions' \
--header 'Accept: application/json' \
--header 'Authorization: {{YOUR API KEY}}' \
--header 'Content-Type: application/json' \
--data '{
    "model": "grok-4.7",
    "messages": [
        {
            "role": "user",
            "content": "What is the weather in Beijing?"
        }
    ],
    "tools": [
        {
            "type": "function",
            "function": {
                "name": "get_weather",
                "description": "Get the current weather for a given location.",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "location": {
                            "type": "string",
                            "description": "The city name, e.g. Beijing"
                        }
                    },
                    "required": [
                        "location"
                    ]
                }
            }
        }
    ],
    "max_tokens": 1024
}'