I have a valid oauth2 access_token, that has been authorized with the 'https://apps-apis.google.com/a/feeds/emailsettings/2.0/' scope. I can successfully use this access_token to make requests against other profile api endpoints.
I'm trying to fetch the list of email addresses the account has been verified to send as. I'm using https://apps-apis.google.com/a/feeds/emailsettings/2.0/{domain}/{user}/sendas as the url, and passing the access token in the access_token param. I'm getting an authorization error when attempting this.
Is the emailsettings API supposed to be accessible via oauth2? What am I doing wrong?