:Common parameters

Sample requests:

https://ecs.aliyuncs.com/?Action=AllocateDedicatedHosts
&Format=xml
&Version=2014-05-26
&Signature=Pc5WB8gokVn0xfeu%2FZV%2BiNM1dgI%3D
&SignatureMethod=HMAC-SHA1
&SignatureNonce=15215528852396
&SignatureVersion=1.0
&AccessKeyId=key-test
&Timestamp=2018-01-01T12:00:00Z
...

Responses can be returned in either the JSON or XML format. You can specify the response format in the request. The default response format is XML. Every response returns a unique RequestID regardless of whether the call is successful.

• A 2xx status code indicates a successful call.
• A 4xx or 5xx status code indicates a failed call.

Sample responses

• XML format

  <?xml version="1.0" encoding="utf-8"?> 
      <!--Result Root Node-->
      <Interface Name+Response>
          <!--Return Request Tag-->
          <RequestId>4C467B38-3910-447D-87BC-AC049166F216</RequestId>
          <!--Return Result Data-->
      <Interface Name+Response>
                          

• JSON format

  {
      "RequestId":"4C467B38-3910-447D-87BC-AC049166F216"
      /*Return Result Data*/
  }