Hi @Phil Hughes
You should call the /getMemberGroups endpoint to get all groups the signed in user is a part of (both direct and indirect). Check for this one is Transitive, so you're assured that all groups will be returned.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.