For the Providers_ProviderPermissions API, the permissions to successfully execute this are unclear.

For example if I want to run this against the Microsoft.Compute service if I assign the role executing the API the permission of Microsoft.Compute/*/read then it will run sucessfully however if I instead grant it every Microsoft.Compute read operation as returned from a az provider operation show --namespace Microsoft.Compute azure cli query then I get the following error returned by the API:

{
    "error": {
        "code": "MultipleErrorsOccurred",
        "message": "Multiple error occurred: BadGateway,BadGateway,BadGateway,BadGateway,BadGateway,BadGateway,BadGateway,BadGateway,BadGateway. Please see details.",
        "details": [
            {
                "code": "BadGateway",
                "message": "Response from service 'Microsoft.Compute' does not contain sufficient information to enforce access control policy."
            },
            {
                "code": "BadGateway",
                "message": "Response from service 'Microsoft.Compute' does not contain sufficient information to enforce access control policy."
            },
.....

I'm using Microsoft.Compute as an example here if I try other services such as Microsoft.Storage etc. I get the same result.

This implies either there is a undocumented permission I need to have or the API is not working correctly.