Chat Completions API

POST

/v1/chat/completions

请求参数

Header 参数

Body 参数application/json必填

示例

{
    "messages": {
        "content": "Hi",
        "role": "user"
    },
    "model": "deepseek-v4-pro",
    "thinking": {
        "type": "enabled"
    },
    "reasoning_effort": "low",
    "max_tokens": 4096,
    "response_format": {
        "type": "text"
    },
    "stop": "null",
    "stream": false,
    "stream_options": {
        "include_usage": true
    },
    "temperature": 1,
    "top_p": 1,
    "tools": {
        "type": "function",
        "function": {
            "description": "tool description",
            "name": "tool name",
            "parameters": {
                "property name*": "string"
            },
            "strict": false
        }
    },
    "tool_choice": {
        "type": "function",
        "function": {
            "name": "tool name"
        }
    },
    "logprobs": true,
    "top_logprobs": 0
}

请求示例代码

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location '/v1/chat/completions' \
--header 'Accept: application/json' \
--header 'Authorization: sk-xxx' \
--header 'Content-Type: application/json' \
--data '{
    "messages": {
        "content": "Hi",
        "role": "user"
    },
    "model": "deepseek-v4-pro",
    "thinking": {
        "type": "enabled"
    },
    "reasoning_effort": "low",
    "max_tokens": 4096,
    "response_format": {
        "type": "text"
    },
    "stop": "null",
    "stream": false,
    "stream_options": {
        "include_usage": true
    },
    "temperature": 1,
    "top_p": 1,
    "tools": {
        "type": "function",
        "function": {
            "description": "tool description",
            "name": "tool name",
            "parameters": {
                "property name*": "string"
            },
            "strict": false
        }
    },
    "tool_choice": {
        "type": "function",
        "function": {
            "name": "tool name"
        }
    },
    "logprobs": true,
    "top_logprobs": 0
}'

返回响应

🟢200成功

application/json

Bodyapplication/json

示例

{
    "id": "xxx",
    "choices": [
        {
            "finish_reason": "stop",
            "index": 0,
            "message": {
                "content": "Hello! How can I help you today?",
                "role": "assistant"
            }
        }
    ],
    "created": 1705651092,
    "model": "deepseek-v4-flash",
    "object": "chat.completion",
    "usage": {
        "completion_tokens": 10,
        "prompt_tokens": 16,
        "total_tokens": 26
    }
}

修改于 2026-08-20 08:44:08

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