[ARCHIVED] API endpoint to see if assignment grades have posted

[u6032171]

The Assignments API returns a value that reveals whether or not the grades for this assignment are posted manually or not.  However, there doesn't seem to be a value to determine if the grades have actually been posted.  E.G all my assignments are set to manually grade posting, however only assignment 1 grades are actually posted.  The API returns "true" for post_manually on all the assignments (including assignment 1) because they're all set to post manually.  I want to figure out which assignments have actually posted (i.e. "true" for assignment 1, but "false" for all the other assignments).  Which API endpoint do I use for this?

[u6032171]

The "muted" value is what I thought might be correct, but it comes back as "true" for two assignments whose grades are posted.  I'm not sure exactly what the "muted" value is for...