| addable_to | EID | Since 1.1.2 Returns users that can be added to the specified group EID |
| alert | EID | Returns only authors related to a coalesced alert |
| commented | EID | Returns only commenters that commented on the specified (parent) message |
| conversation | EID | Returns only users participating in the specified conversation |
| eid | EIDs | Returns only specific users, see Multi-GET |
| exclude_group | string | Since 1.1.6 In combination with group this will return group members excluding the members of the specified group |
| exclude_role | string | Returns only users not matching one of the roles |
| external | boolean | If true, only returns external users |
| group | EID | Returns only users that are member of a specific group |
| modified_since | datetime | Since 1.0.13 Filters users who have changed their profile since the specified date and time |
| q | string | Returns only users whose full names or job titles match the specified terms |
| role | string | Returns only users by their role in a group or the network. Multiple roles can be specified, separated by commas |
| scope | string | Since 1.1 Limits the returned users to one of the following scopes: my_groups, relevant_users or network |