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:Common Parameters

最終更新日:Mar 02, 2022

Common request parameters are the request parameters required by each operation.

Name

Type

Required

Description

Action

String

Yes

API name

Format

String

No

The format of the response. Valid values: JSON and XML. Default value: XML.

Version

String

Yes

The version number of the specified operation. Format: YYYY-MM-DD. The current version number is 2017-12-14.

AccessKeyId

String

Yes

The AccessKeyID generated by Alibaba Cloud for accessing the service. You can use the AccessKeyID to query site information.

Signature

String

Yes

The signature string.

SignatureMethod

String

Yes

The signature method. Valid value: HMAC-SHA1.

Timestamp

String

Yes

The timestamp of the specified request. The date format follows the ISO8601 standard and uses UTC time. Format:YYYY-MM-ddTHH:mm:ssZ. Example: 2016-05-23T12:00:00Z, which is China Standard Time 2016-05-23 20:00:00.

SignatureVersion

String

Yes

The version of the specified signature algorithm. Valid value: 1.0.

SignatureNonce

String

Yes

A unique random number that is used to prevent replay attacks. You must use different random numbers for different requests.

Example

http://business.ap-southeast-1.aliyuncs.com/?SubscriptionType=Subscription&Format=XML&SignatureMethod=HMAC-SHA1&Signature=AAAAAAAAAAAAAAAAAAAAAAA%3D&Timestamp=2018-01-18T10%3A57%3A00Z&AccessKeyId=BBBBBBBBBBBBBBBBBBBBBBB&Action=QueryMonthlyBill&SignatureNonce=CCCCCCCCCCCCCCCCC&Version=2017-12-14&SignatureVersion=1.0&BillingCycle=2018-01

Common response parameters

The system returns the RequestId that is the GUID generated by Alibaba Cloud when you call an API operation, whether the call is successful or not.

Example

<? xml version="1.0" encoding="UTF-8"? >
<!-Response root-->
<Operation name+Response>
    <!-Response data-->
    <RequestId>4C467B38-3910-447D-87BC-AC049166F216</RequestId>
</Operation name+Response>