/questions/unanswered API returns the full list of questions (same as
/questions/unanswered are returning different sets of questions, which both are both functioning properly as far as I can tell.
Of the various functions in the API, those two have seen some of the most tweaking since we went into public beta; so it wouldn't surprise me if they were broken at some point. They're
[status-norepo] now though.
Do you aware that unanswered questions in stackoverflow means no upvoted answers, right?
The query looks fine for me.