A lot of the new ticket vendors on Hipmunk only accept US cards. I would love to see an option to filter them out, it makes the slick Hipmunk UI totally pointle

A lot of the new ticket vendors on Hipmunk only accept US cards. I would love to see an option to filter them out, it makes the slick Hipmunk UI totally pointless if I have to go through by hand and check which vendors are available for each flight.