Common parameters - HTTPDNS - Alibaba Cloud Documentation Center

Common request parameters

Common request parameters are required in all HTTPDNS API requests.

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. The value is in the `YYYY-MM-DD` format. Set the value to `2016-02-01`.
AccessKeyId	String	Yes	The AccessKey ID provided to you by Alibaba Cloud.
Signature	String	Yes	The signature string of the current request. For more information about how signatures are calculated, see Signature method.
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. For example, you can set this parameter to `2016-02-25T12:00:00Z`, which indicates 12:00:00 on February 25, 2016 in UTC.
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.

Examples

https://httpdns-api.aliyuncs.com/
?Format=XML
&Version=2016-02-01
&AccessKeyId=testid
&Signature=Pc5WB8gokVn0xfeu%2FZV%2BiNM1dgI%3D
&SignatureMethod=HMAC-SHA1
&SignatureNonce=15215528852396
&SignatureVersion=1.0
&Timestamp=2016-02-25T12:00:00Z
&<Operation-specific parameters>
…

Common response parameters

The system returns a unique identifier (RequestId) for each API request, regardless of whether the API operation was called successfully.

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 */
}