Is there and end point to get descriptions for the corresponding ids in tickets?

Hello All,

Is there and end point to get descriptions for the corresponding ids in the tickets. 

In particular when i fetch ticket details through API call , getting fileds lke assignee_id, brand_id, requester_id. How do i get assignee name, requester name, brand name etc from these ids?

Any links , references are helpful and highly appreciated.

Thanks in advance