Service module user update request payload
To update a user with the Services module, utilize these:

HTTP Method: PUT

URL: ?q=[endpoint-name]/user/123.json

Headers


Content-type: application/json
X-CSRF-Token: use value available from ?q=services/session/token


Data payload:

{
  "uid":"123",
  "mail":"new-email-address@example.com",
  "current_pass":"superSecret"
}