Final Request Format

Last updated: 2017-12-20 15:33:52

The final request URL is made up of the following elements:
1) Request domain: The request domain for Query List of Instances(DescribeInstances) is cvm.api.qcloud.com. The actual request domain varies depending on the module to which the API belongs. For more information, refer to the descriptions of each API.
2) Request path: The request path of Cloud API is always /v2/index.php.
3) Final request parameter string: This includes common request parameters and API request parameters.

The final request URL is generated as follows:

https:// + request domain + request path + ? +final request parameter string

The final request URL is as follows. The first six parameters are common request parameters, and the last six ones are API request parameters.

https://cvm.api.qcloud.com/v2/index.php?
Action=DescribeInstances
&SecretId=xxxxxxx
&Region=gz
&Timestamp=1465055529
&Nonce=59485
&Signature=mysignature
&instanceIds.0=ins-0hm4gvho
&instanceIds.1=ins-8oby8q00
&offset=0
&limit=20
&status=2
&zoneId=100003