{
  "candidates": [
    {
      "content": {
        "parts": [
          {
            "text": "Hello! How can I help you today?"
          }
        ],
        "role": "model"
      },
      "finishReason": "STOP",
      "safetyRatings": [
        {
          "category": "<string>",
          "probability": "<string>"
        }
      ]
    }
  ],
  "usageMetadata": {
    "promptTokenCount": 25,
    "candidatesTokenCount": 150,
    "totalTokenCount": 175
  }
}

{
  "error": {
    "message": "请求参数无效",
    "type": "invalid_request_error"
  }
}

{
  "error": {
    "message": "API密钥无效",
    "type": "authentication_error"
  }
}

{
  "error": {
    "message": "请求参数无效",
    "type": "invalid_request_error"
  }
}

{
  "error": {
    "message": "访问被拒绝",
    "type": "permission_error"
  }
}

{
  "error": {
    "message": "请求频率超限",
    "type": "rate_limit_error"
  }
}

{
  "error": {
    "message": "服务器内部错误",
    "type": "server_error"
  }
}