Chat Completions API

Path: POST /v1/chat/completions

📥 Request Body Parameters

Parameter	Type	Required	Description
model	string	Yes	Model identifier (e.g. gpt-4o, claude-3-5-sonnet, deepseek-chat)
messages	array	Yes	Array of conversation context containing roles and content
stream	boolean	No	Whether to enable SSE streaming typewriter effect, default false
temperature	float	No	Sampling temperature ($0.0 \sim 2.0$), higher values are more creative
max_tokens	integer	No	Maximum number of tokens to generate

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📤 Response Example (Non-streaming JSON)

{
  "id": "chatcmpl-9xX8Yz123456",
  "object": "chat.completion",
  "created": 1728000000,
  "model": "gpt-4o-2024-08-06",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Hello! I am an AI assistant, happy to serve you."
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 15,
    "completion_tokens": 12,
    "total_tokens": 27
  }
}