5f5a5344_sources__Twitter_API_Changelog_eets_by_all_members_of_a_list__Description
[Resource] GET lists/memberships [Description] 
Returns the lists the specified user has been added to. If user_id or screen_name are not provided the memberships for the authenticating user are returned.
May 13, 2014 change on "REST API v1.1 Resources" Twitter API Changelog
Description