getting method not allowed when calling rest api /interop/rest/security/v1/users/list after 25.07

Summary: when I call the new rest api in postman using the basic auth to get the users list or the groups list.

https://pbcs-test-****.epm.us-xxxx-1.ocs.oraclecloud.com:443/interop/rest/security/v1/users/list

I am getting "method not allowed" error. The user used for authentication is a service administrator on the application.

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Version (include the version you are using, if applicable):

25.07

Code Snippet (add any code snippets that support your topic, if applicable):