Tool invocation (function call)

Invoke functions
Only supports Claude series models, available by default in the group

Request

Header Params

Body Params application/json

Example

{
    "model": "claude-3-5-sonnet-20241022",
    "messages": [
        {
            "role": "user",
            "content": "What's the weather like in Beijing today?"
        }
    ],
    "tools": [
        {
            "name": "get_weather",
            "description": "Get the current weather for a specified location",
            "input_schema": {
                "type": "object",
                "properties": {
                    "location": {
                        "type": "string",
                        "description": "City name, e.g.: Beijing"
                    }
                },
                "required": [
                    "location"
                ]
            }
        }
    ]
}

Responses

🟢200成功

application/json

Body

Example

{
    "content": [
        {
            "text": "Let me help you check the weather in Beijing.",
            "type": "text"
        },
        {
            "id": "toolu_012f3meaYuYj9yPPuyuRVw9U",
            "input": {
                "location": "Beijing"
            },
            "name": "get_weather",
            "type": "tool_use"
        }
    ],
    "id": "msg_0195XjbG2FGZfN7Dqkd9kyyW",
    "model": "claude-sonnet-4-20250514",
    "role": "assistant",
    "stop_reason": "tool_use",
    "stop_sequence": null,
    "type": "message",
    "usage": {
        "cache_creation_input_tokens": 0,
        "cache_read_input_tokens": 0,
        "input_tokens": 478,
        "output_tokens": 71,
        "service_tier": "standard"
    }
}