Common parameters include common request parameters and common response parameters.

Common request parameters

Common request parameters must be included in all Domains API requests.

Name Type Required Description
Format String No The type of the returned value. 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 2018-01-29.
AccessKeyId String Yes The AccessKey ID provided by Alibaba Cloud for you to access services.
Signature String Yes The signature string of the current request. For more information about how signatures are calculated, see Sign signatures.
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, 2018-01-29T12:00:00Z indicates January 29, 2018 00:00:00 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 /
? Format=xml

Common response parameters

Every response returns a unique RequestID regardless of whether the call is successful.


XML format

<? xml version="1.0" encoding="UTF-8"? > 
<!-Result Root Node-->
<Interface Name+Response>
    <!-Return Request Tag-->
    <!-Return Result Data-->
</Interface Name+Response>

JSON format

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