Common request parameters are the request parameters required by each operation.
Name | Type | Required | Description |
|---|---|---|---|
Action | String | Yes | |
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=2018-01Common 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>