Chat（ツール呼び出し）

POST

/chat/completions

302プラットフォームはすべてのモデルにツール呼び出し機能（通称Function Call）を追加しました。
原理は、モデル自体がツール呼び出しをサポートしていない場合でも、toolsパラメータを渡すだけで、302のバックエンドが自動的にパラメータを解析し、プロンプトとしてモデルに渡し、モデルの出力をtool_call形式に変換します。

価格：既存のモデルの料金は変更なし

Request

Header Params

Body Params application/json

Example

{
    "model": "o1-mini",
    "messages": [
        {
            "role": "user",
            "content": "What's the weather like in Boston today?"
        }
    ],
    "tools": [
        {
            "type": "function",
            "function": {
                "name": "get_current_weather",
                "description": "Get the current weather in a given location",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "location": {
                            "type": "string",
                            "description": "The city and state, e.g. San Francisco, CA"
                        },
                        "unit": {
                            "type": "string",
                            "enum": [
                                "celsius",
                                "fahrenheit"
                            ]
                        }
                    },
                    "required": [
                        "location"
                    ]
                }
            }
        }
    ]
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://api.302.ai/v1/chat/completions' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer ' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "o1-mini",
    "messages": [
        {
            "role": "user",
            "content": "What'\''s the weather like in Boston today?"
        }
    ],
    "tools": [
        {
            "type": "function",
            "function": {
                "name": "get_current_weather",
                "description": "Get the current weather in a given location",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "location": {
                            "type": "string",
                            "description": "The city and state, e.g. San Francisco, CA"
                        },
                        "unit": {
                            "type": "string",
                            "enum": [
                                "celsius",
                                "fahrenheit"
                            ]
                        }
                    },
                    "required": [
                        "location"
                    ]
                }
            }
        }
    ]
}'

Responses

🟢200OK

application/json

Body

Example

{
    "choices": [
        {
            "finish_reason": "stop",
            "index": 0,
            "message": {
                "content": "\n> search(\"What's the weather like in Boston today?\")\n\nHere’s the current weather in **Boston, Massachusetts, USA** today (Friday, January 23, 2026):\n\n🌡️ **Temperature:** Around **24 °F** early morning, rising toward the low 30s later in the day.   \n☁️ **Conditions:** Mostly **cloudy with increasing clouds** throughout the day. /us/ma/boston?utm_source=chatgpt.com)** · *weathercentral.com*\n  \n☁️ **Conditions:** Mostly **cloudy with increasing clouds** throughout the day.   \n💨 **Wind:** Light winds from the west-northwest at about **8 mph**. /weather/us/ma/boston?utm_source=chatgpt.com)** · *Weather Central*\n  \n💨 **Wind:** Light winds from the west-northwest at about **8 mph**.   \n🌧️ **Precipitation:** There’s a chance of **freezing rain overnight into early morning**, with rain expectedgpt.com)** · *Weather Central*\n  \n🌧️ **Precipitation:** There’s a chance of **freezing rain overnight into early morning**, with rain expected later as temperatures rise. \n\n✅ **Summary:** It’s cold withy’s Forecast](https://www.weathercentral.com/weather/us/ma/boston?utm_source=chatgpt.com)** · *Weather Central*\n\n\n✅ **Summary:** It’s cold with cloudy skies and temperatures below freezing in the morning, warming to near freezing or just above in the afternoon. There’s a chance of wintry precipitation overnight and into early today, transitioning to rain later. \n> **[Boston, MA Weather - Today’s Forecast](https://www.weathercentral.com/weather/us/ma/boston?utm_source=chatgpt.com)** · *Weather Central*\n\n\nWould you like a short hourly breakdown for Boston’s weather today?",
                "role": "assistant"
            }
        }
    ],
    "created": 1769164604,
    "id": "chatcmpl-89DwKFcCoz1zP4bkuogk344MABDzo",
    "model": "o1-mini",
    "object": "chat.completion",
    "usage": {
        "completion_tokens": 400,
        "completion_tokens_details": {
            "content_tokens": 400
        },
        "prompt_tokens": 1218,
        "prompt_tokens_details": {
            "text_tokens": 1211
        },
        "total_tokens": 1618
    }
}

Modified at 2026-01-23 10:38:01

Chat（リンク解析）

Create User (ユーザーの作成)