curl --request POST \
  --url https://api.apiyi.com/v1/chat/completions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "gpt-4o",
  "messages": [
    {
      "role": "system",
      "content": "你是一个专业的AI助手。"
    },
    {
      "role": "user",
      "content": "你好，请介绍一下自己。"
    }
  ]
}
'

{
  "id": "chatcmpl-abc123",
  "object": "chat.completion",
  "created": 1702855400,
  "model": "gpt-4o",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "你好！我是一个AI助手，很高兴为你服务。我可以帮助你回答问题、撰写内容、编写代码等。有什么我可以帮你的吗？"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 25,
    "completion_tokens": 42,
    "total_tokens": 67
  }
}