https://api.appstoreconnect.apple.com/v1/betaTesters/{id}
Cannot call delete on any of the above Cannot be uninstalled from the app store console (IDs cannot be provided as personal information)
{ "errors": [ { "status": "500", "code": "UNEXPECTED_ERROR", "title": "An unexpected error occurred.", "detail": "An unexpected error occurred on the server side. If this issue continues, contact us at https://developer.apple.com/contact/." } ] }