Messages（関数呼び出し）

POST

/messages

302AIは現在、以下のモデルをサポートしています：
claude-3-haiku-20240307
claude-3-opus-20240229
claude-3-5-haiku-20241022
claude-3-5-sonnet-20240620
claude-3-5-sonnet-20241022
claude-3-7-sonnet-20250219
claude-3-7-sonnet-latest
claude-3-7-sonnet-20250219-thinking（思考プロセスをdeepseekモードに改革する）
claude-sonnet-4-20250514
claude-opus-4-20250514
claude-opus-4-1-20250805
claude-sonnet-4-5-20250929
claude-opus-4-5-20251101

チャットモデルは一連のメッセージを入力として受け取り、モデルが生成したメッセージを出力として返します。チャット形式は複数回のやり取りを容易にするために設計されていますが、会話のない単一のタスクにも同様に有用です。

価格表：https://302.ai/price

Request

Header Params

Body Params application/json

Example

{
  "model": "claude-sonnet-4-5-20250929",
  "max_tokens": 1024,
  "tools": [
    {
      "name": "get_weather",
      "description": "Get the current weather in a given location",
      "input_schema": {
        "type": "object",
        "properties": {
          "location": {
            "type": "string",
            "description": "The city and state, e.g. San Francisco, CA"
          }
        },
        "required": [
          "location"
        ]
      }
    }
  ],
  "messages": [
    {
      "role": "user",
      "content": "What is the weather like in San Francisco?"
    }
  ]
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://api.302.ai/v1/messages' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer ' \
--header 'Content-Type: application/json' \
--data-raw '{
  "model": "claude-sonnet-4-5-20250929",
  "max_tokens": 1024,
  "tools": [
    {
      "name": "get_weather",
      "description": "Get the current weather in a given location",
      "input_schema": {
        "type": "object",
        "properties": {
          "location": {
            "type": "string",
            "description": "The city and state, e.g. San Francisco, CA"
          }
        },
        "required": [
          "location"
        ]
      }
    }
  ],
  "messages": [
    {
      "role": "user",
      "content": "What is the weather like in San Francisco?"
    }
  ]
}'

Responses

🟢200OK

application/json

Body

Example

{
    "model": "claude-sonnet-4-5-20250929",
    "id": "msg_01WAzw75LaevCpz478kfhcx9",
    "type": "message",
    "role": "assistant",
    "content": [
        {
            "type": "tool_use",
            "id": "toolu_011Cpd7d9t4X28jRa5C3xBhT",
            "name": "get_weather",
            "input": {
                "location": "San Francisco, CA"
            }
        }
    ],
    "stop_reason": "tool_use",
    "stop_sequence": null,
    "usage": {
        "input_tokens": 586,
        "cache_creation_input_tokens": 0,
        "cache_read_input_tokens": 0,
        "cache_creation": {
            "ephemeral_5m_input_tokens": 0,
            "ephemeral_1h_input_tokens": 0
        },
        "output_tokens": 56,
        "service_tier": "standard"
    }
}

Modified at 2026-01-12 06:59:58

Messages（オリジナルフォーマット）

Messages（思考モード）