Adding example for looking up all coupons for a product family
Adding example for looking up all coupons for a product family

chargify/chargify_api_ares,wsmoak/chargify_api_ares,chase439/chargify_api_ares,elfotografo007/chargify_api_ares,carsonreinke/chargify_api_ares,outstand/chargify_api_ares