Claude聊天接口 /v1/message

POST

/v1/messages

Claude API 主入口，支持流式和非流式响应。

支持的模型：

claude-sonnet-4-20250514 (Sonnet 4)

claude-sonnet-4-5-20250929 (Sonnet 4.5)

claude-opus-4-5-20251101 (Opus 4.5)

claude-haiku-4-5-20251001 (Haiku 4.5)

请求参数

Authorization

Bearer Token

在 Header 添加参数

Authorization

，其值为在 Bearer 之后拼接 Token

示例：

Authorization: Bearer ********************

Body 参数application/json必填

示例

基础请求流式请求带 System Prompt多轮对话

{
    "model": "claude-sonnet-4-20250514",
    "messages": [
        {
            "role": "user",
            "content": "你好"
        }
    ],
    "max_tokens": 1024
}

请求示例代码

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

cURL

基础请求流式请求带 System Prompt多轮对话

curl --location --request POST '/v1/messages' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "claude-sonnet-4-20250514",
    "messages": [
        {
            "role": "user",
            "content": "你好"
        }
    ],
    "max_tokens": 1024
}'

返回响应

🟢200

application/json

成功响应

Body

示例

{
    "id": "msg_01XFDUDYJgAACzvnptvVoYEL",
    "type": "message",
    "role": "assistant",
    "content": [
        {
            "type": "text",
            "text": "string"
        }
    ],
    "model": "claude-sonnet-4-20250514",
    "stop_reason": "end_turn",
    "usage": {
        "input_tokens": 25,
        "output_tokens": 150,
        "cache_read_input_tokens": 0,
        "cache_creation_input_tokens": 0
    }
}

🟠400

🟠401

🟠402

🟠429

🔴500

修改于 2026-02-09 13:00:01

Gemini聊天接口 /api/v1beta/models/{model}:generateContent