响应状态码

响应 HTTP 状态码成功请求的情况下均为 200。失败请求会返回 4xx 及 5xx 的错误码。同时，响应是否正常，还需通过响应结果中的 ResponseMetadata 结构体是否存在 Error 字段来判断，存在则可判断响应失败。

响应结果示例

• 正确响应结果

{
    "ResponseMetadata": {
        "RequestId": "201806041104200100100232280022D30",
        "Action": "DescribeKeys",
        "Version": "2021-02-18",
        "Service": "kms",
        "Region": "cn-north-1"
        }，
    "Result": {
            ......
    }
}

• 异常响应结果

{
    "ResponseMetadata": {
        "RequestId": "2021080519374301022514515201DBC0DD",
        "Action": "UpdateKeyring",
        "Version": "2021-02-18",
        "Service": "kms",
        "Region": "cn-north-1",
        "Error": {
            "Code": "Not Found",
            "Message": "Not found keyring [demo_keyring11111]."
        }
    }
}