curl --request POST \
  --url https://xxx.wengaocloud.com/v1/chat/completions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "gpt-4o-mini",
  "messages": [
    {
      "role": "system",
      "content": "你是一个简洁的产品助手。"
    },
    {
      "role": "user",
      "content": "用三句话介绍这个平台。"
    }
  ]
}
'

{
  "id": "<string>",
  "object": "chat.completion",
  "choices": [
    {}
  ],
  "usage": {
    "prompt_tokens": 123,
    "completion_tokens": 123,
    "total_tokens": 123,
    "prompt_tokens_details": {}
  }
}