He represented Ivory Coast in the 2006 Africa Cup of Nations and was also part of the Ivorian squad at the 2008 Africa Cup of Nations in Ghana. Boka was also called up for the 2010 Africa Cup of Nations, the 2012 Africa Cup of Nations and the 2013 Africa Cup of Nations. With Ivory Coast, Boka reached the finals of the Africa Cup of Nations in 2006 and 2012, but they were beaten on penalties on both occasions.