Avantik can be integrated with all major GDS and other airline CRS system using standard IATA messaging based on Type B and Type A. Type A is based on HTH MATIP. Avantik fully supports Direct Access (PAOREQ/RES), Direct Sell (ITAREQ/RES, HWPREQ/RES) and GDS e-ticketing (TKTREQ/RES) and standard AIRIMP Type B messaging withthe following GDs and CRSs: