Read
To see what claims a user can edit, and their current values, you can call GET on the /UserSettings/{subject} endpoint.
This will return the following json:
"subject": "string",
"claims":
"type": "string",
"value": "string"
Update
To update a users claims, you can call PUT on the /UserSettings endpoint.
"subject": "string",
"claims":
"type": "string",
"value": "string"