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    Key Management Service:UpdateAlias

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    Key Management Service:UpdateAlias

    Last Updated:Jul 29, 2025

    Binds an existing alias to a different customer master key (CMK) ID.

    Debugging

    You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

    Authorization information

    There is currently no authorization information disclosed in the API.

    Request parameters

    ParameterTypeRequiredDescriptionExample
    KeyIdstringYes

    The ID of the CMK. The ID must be globally unique.

    		1234abcd-12ab-34cd-56ef-12345678****
    AliasNamestringYes

    The alias that you want to bind.

    The value must be 1 to 255 characters in length and must include the alias/ prefix.

    		alias/example

    Response parameters

    ParameterTypeDescriptionExample
    object
    RequestIdstring

    The ID of the request, which is used to locate and troubleshoot issues.

    		1d2baaf3-d357-46c2-832e-13560c2bd9cd

    Examples

    Sample success responses

    JSONformat

    {
  "RequestId": "1d2baaf3-d357-46c2-832e-13560c2bd9cd"
}

    Error codes

    For a list of error codes, visit the Service error codes.