POST/api/v1/chat/completions

聊天补全

与大语言模型进行多轮对话，兼容 OpenAI Chat Completions API

接口地址

HTTP

POST {YOUR_DOMAIN}/api/v1/chat/completions

需要在 Header 中携带 Authorization: Bearer YOUR_API_KEY

请求参数

参数	类型	必填	说明
model	string	必填	模型 ID，通过 /api/v1/models 获取
messages	array	必填	消息列表，每项包含 role 和 content
temperature	number	可选	采样温度 0-2，默认 1
max_tokens	integer	可选	最大生成 token 数
stream	boolean	可选	是否开启流式响应，默认 false
top_p	number	可选	核采样参数，默认 1

响应格式

JSON

{
  "id": "chatcmpl-xxx",
  "object": "chat.completion",
  "created": 1234567890,
  "model": "your-model-id",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "回复内容"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 10,
    "completion_tokens": 20,
    "total_tokens": 30
  }
}

流式响应

设置 stream: true 后，响应为 SSE 格式：

SSE

data: {"id":"chatcmpl-xxx","choices":[{"delta":{"content":"你"},"index":0}]}

data: {"id":"chatcmpl-xxx","choices":[{"delta":{"content":"好"},"index":0}]}

data: [DONE]

完整示例

cURL

curl -X POST {YOUR_DOMAIN}/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "YOUR_MODEL_ID",
    "messages": [
      {"role": "system", "content": "你是一个有帮助的助手"},
      {"role": "user", "content": "你好"}
    ],
    "temperature": 0.7,
    "max_tokens": 1000
  }'