Messages（函数调用）

正式环境

https://api.302.ai

POST

/v1/messages

我们现在支持：
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（现指向claude-3-7-sonnet-20250219）
claude-3-7-sonnet-20250219-thinking（将思考过程改造为deepseek模式）
claude-sonnet-4-20250514
claude-opus-4-20250514
claude-opus-4-1-20250805
claude-sonnet-4-5-20250929
claude-opus-4-5-20251101

官方文档：https://docs.anthropic.com/en/docs/build-with-claude/tool-use#how-tool-use-works

价格请查看：https://302.ai/price

请求参数

Header 参数

Body 参数application/json

示例

返回响应

🟢200成功

application/json

Body

请求示例

Shell

JavaScript

Java

Swift

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"
        ]
      }
    }
  ],
  "tool_choice": {
    "type": "auto"
  },
  "messages": [
    {
      "role": "user",
      "content": "What is the weather like in San Francisco?"
    }
  ]
}'

响应示例

{
    "model": "claude-sonnet-4-5-20250929",
    "id": "msg_bdrk_018PChWZnZJ2SosBfSG3Son9",
    "type": "message",
    "role": "assistant",
    "content": [
        {
            "type": "tool_use",
            "id": "toolu_bdrk_01NbTnANdrviLjJQy5wzEEmX",
            "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
    }
}

修改于 2026-01-26 06:43:55

Messages（Claude Code专用）

Messages（128k输出）