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    Edge Security Acceleration:UpdateCustomHostname

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    Edge Security Acceleration:UpdateCustomHostname

    Last Updated:Jan 30, 2026

    Updates the parameters of a Software as a Service (SaaS) domain name, such as the attached record ID and the certificate type.

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    Test

    RAM authorization

    No authorization for this operation. If you encounter issues with this operation, contact technical support.

    Request parameters

    Parameter

    Type

    Required

    Description

    Example
    HostnameId

    integer

    Yes

    The ID of the SaaS domain name. You can obtain the ID by calling the ListCustomHostnames operation.

    1234567890123
    RecordId

    integer

    No

    The ID of the record to attach. You can obtain the ID by calling the ListRecords operation.

    1234567890123
    SslFlag

    string

    No

    The SSL switch.

    • on: Enables SSL.

    • off: Disables SSL.

    on
    CertType

    string

    No

    The certificate type. This parameter is required when SslFlag is set to on.

    • free: Free certificate.

    • upload: Uploaded certificate.

    • cas: Alibaba Cloud Security certificate.

    cas
    Certificate

    string

    No

    The content of the certificate. This parameter is required when CertType is set to upload.

    -----BEGIN CERTIFICATE-----
    PrivateKey

    string

    No

    The private key of the certificate. This parameter is required when CertType is set to upload.

    -----BEGIN PRIVATE KEY-----
    CasId

    integer

    No

    The ID of the Alibaba Cloud Security certificate. This parameter is required when CertType is set to cas.

    30000478

    CasRegion

    string

    No

    The region of the Alibaba Cloud Security certificate. This parameter is required when CertType is set to cas.

    • cn-hangzhou: The value for accounts on the Alibaba Cloud China Website (www.aliyun.com).

    • ap-southeast-1: The value for accounts on the Alibaba Cloud International Website (www.alibabacloud.com).

    cn-hangzhou

    Response elements

    Element

    Type

    Description

    Example

    object

    RequestId

    string

    The ID of the request.

    0AEDAF20-4DDF-4165-8750-47FF9C1929C9

    Examples

    Success response

    JSON format

    {
  "RequestId": "0AEDAF20-4DDF-4165-8750-47FF9C1929C9"
}

    Error codes

    HTTP status code

    Error code

    Error message

    Description
    400 InvalidParameter The specified parameter is invalid. The specified parameter is invalid.
    400 InternalException Failed to call the service. Try again later or contact technical support. Failed to call the service. Try again later or contact technical support.
    400 NoPermission You do not have permissions to access or operate on the resource.Contact your account administrator to attach the AliyunESAFullAccess policy to the current user. You do not have permissions to access or operate on the resource.Contact your account administrator to attach the AliyunESAFullAccess policy to the current user.
    400 Instance.NotOnline Your plan is unavailable due to an overdue payment. Complete the payment first. Your plan is unavailable due to an overdue payment. Complete the payment first.
    400 Record.ServiceBusy The record is being configured. Try again later. The record is being configured. Try again later.
    404 CustomHostname.NotFound The custom hostname does not exist. Modify it and try again. The custom hostname does not exist. Modify it and try again.
    404 CustomHostname.ApplyCertFailed Fail to apply a free cert for custom hostname. Please try again later.
    404 CustomHostname.SetCertFailed Fail to deploy a cert for custom hostname. Please try again later.

    See Error Codes for a complete list.

    Release notes

    See Release Notes for a complete list.