Batch User Information

Returns information about the specified users’ profiles.
Resource
1/chatter/users/batch/user_list
1/connect/communities/communityId/chatter/users/batch/user_list
Where user_list is a comma-separated list of up to 500 user IDs.
Available since version
23.0
Requires Chatter
Yes
HTTP methods
GET or HEAD
Response body
Batch Results
Example for getting user information for multiple users
1/chatter/users/batch/005D0000001Kl6xIAC,005D0000005J3D4HVB, . . .