Get user data by userId: https://api.stackexchange.com/docs/users-by-ids Get detail user content by accountId(question count, answser count, reputation...): https://api.stackexchange.com/docs/associated-users Get reputation timeline by userId: https://api.stackexchange.com/docs/reputation-on-users Get users all badges detail by userId: https://api.stackexchange.com/docs/badges-on-users