对话补全

POST

/v1/chat/completions

创建对话补全。支持流式（SSE）和非流式两种模式。

非流式：设置 stream: false（默认），返回完整响应

流式：设置 stream: true，以 SSE 逐块返回 ChatCompletionChunk

请求参数

Authorization

Body 参数application/json必填

示例

{
    "model": "deepseek-v3",
    "messages": [
        {
            "role": "system",
            "content": "你是一个有帮助的助手"
        },
        {
            "role": "user",
            "content": "你好"
        }
    ],
    "stream": false,
    "temperature": 0.7
}

请求示例代码

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location '/v1/chat/completions' \
--header 'Content-Type: application/json' \
--data '{
    "model": "deepseek-v3",
    "messages": [
        {
            "role": "system",
            "content": "你是一个有帮助的助手"
        },
        {
            "role": "user",
            "content": "你好"
        }
    ],
    "stream": false,
    "temperature": 0.7
}'

返回响应

🟢200

application/json

成功返回补全结果

Bodyapplication/json

示例

{
    "id": "chatcmpl-abc123",
    "object": "chat.completion",
    "created": 1713833628,
    "model": "deepseek-v3",
    "choices": [
        {
            "index": 0,
            "message": {
                "role": "assistant",
                "content": "你好！有什么可以帮你的吗？"
            },
            "finish_reason": "stop"
        }
    ],
    "usage": {
        "prompt_tokens": 15,
        "completion_tokens": 8,
        "total_tokens": 23
    }
}

🟠401

流式输出说明

列出可用模型