Common request parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
| Format | String | No | The format in which to return the response. Valid values: JSON and XML. Default value: XML. |
| Version | String | Yes | The version number of the API. Specify the version in the YYYY-MM-DD format. Set the value to 2014-11-11. |
| AccessKeyId | String | Yes | The AccessKey ID provided to you by Alibaba Cloud. |
| Signature | String | Yes | The signature string of the current request. |
| SignatureMethod | String | Yes | The encryption method of the signature string. Set the value to HMAC-SHA1. |
| Timestamp | String | Yes | The timestamp of the request. Specify the time in the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC. Example: 2018-05-10T12:00:00Z, which represents 20:00:00 on Thursday, May 10, 2018 (UTC+8). |
| SignatureVersion | String | Yes | The version of the signature encryption algorithm. Set the value to 1.0. |
| SignatureNonce | String | Yes | A unique, random number used to prevent replay attacks. You must use different numbers for different requests. |
Sample requests
https://cdn.aliyuncs.com/?Format=xml
&Version=2014-11-11
&Signature=Pc5WB8gokVn0xfeu%2FZV%2BiNM1dgI%3D
&SignatureMethod=HMAC-SHA1
&SignatureNonce=15215528852396&SignatureVersion=1.0
&AccessKeyId=key-test
&Timestamp=2018-05-10T12:00:00Z