Problem solved. Incase anybody wanted to do something similar:
-don't use 'catalog' request type, use 'artist-description' request type instead
-put the taste profile ID in a rosetta ID space and set 'limit' to true
http://developer.echonest.com/api/v4/playlist/static?api_key=XXXX&results=10&type=artist-description&style=80s&bucket=id:CAUJAWN14B4642B412&limit=true