How to get a Author Details from an API?

Question

How to get an Author details under one group in API like (blog, forum) without using $core_v2_user. 
 Ex: I want to list a Authors of a group for a $core_v2_taggedContent.List API. 
 For now am passing CreatedByUserId from core_v2_taggedContent output to core_v2_user API to get details of Author. 
 This makes my application processing time higher is there any better way to retrieve in one API call.

Karl Barber · Answer

It all depends on how much user information you require, if you only need the id,name or display name then you could consider finding the items via a search/solr query using ISearchResults, otherwise you will need to look each user

community.telligent.com/.../searchresults-in-process-api-service