Queries the attributes of an additional certificate.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes DescribeDomainExtensionAttribute

The operation that you want to perform. Set the value to DescribeDomainExtensionAttribute.

DomainExtensionId String Yes de-bp1rp7ta191dv

The ID of the additional certificate.

RegionId String Yes cn-hangzhou

The ID of the region where the Server Load Balancer (SLB) instance is deployed.

Response parameters

Parameter Type Example Description
Domain String www.example.com

The domain name.

DomainExtensionId String de-bp1rp7ta191dv

The ID of the additional certificate.

ListenerPort Integer 443

The frontend port of the HTTPS listener that is configured for the SLB instance. Valid values: 1 to 65535.

LoadBalancerId String lb-bp1o94dp5i6*****earr9g6d1l

The ID of the SLB instance.

RequestId String 48C1B671-C6DB-4DDE-9B30-10557E36CDE0

The ID of the request.

ServerCertificateId String 231579085529123_166f82******_1714763408_709981430

The ID of the server certificate that is used by the domain name.


Sample requests

http(s)://[Endpoint]/? Action=DescribeDomainExtensionAttribute
&<Common request parameters>

Sample success responses

XML format


JSON format



For a list of error codes, visit the API Error Center.