By default, only the Certificate user and users with the service provider (SP) administrator role can execute web services. This can, however, be changed.
Error in the view.log when trying to consume the login method with a user who is not a service delivery administrator:
User does not have access to read web services
CA Service Catalog 17.x
It is necessary to verify the role assigned to the user used in the Catalog, in this case CASMAdmin. Once the role is verified, adding the webservice__all resource to the role used and restarting services is necessary.
The Access Policy for access to the web services may be changed:
Then you can login with a userid with this catalog-role in webservices.