THE INTERVENTION CONSISTS OF REALISING THE FUNCTIONAL INTEGRATION OF THE APPLICATIONS OF MUNICIPALITIES, UNIONS OF MUNICIPALITIES, MOUNTAIN COMMUNITIES, ETC.. WITH THE NEW SUAPE RAS SYSTEM (ONE-STOP SHOP PRODUCTION AND CONSTRUCTION ACTIVITIES) AS AN ACCESS POINT FOR ENTREPRENEURS WHO WANT TO START OR DEVELOP AN ACTIVITY IN SARDINIA AND FOR CITIZENS WHO NEED TO CARRY OUT A BUILDING INTERVENTION. THE SERVICE PLATFORM HAS BEEN DEVELOPED AND MANAGED BY R.A.S. SPECIFICALLY THE INTERVENTION, THROUGH THE IMPLEMENTATION IN SOA ARCHITECTURE AND THE DEVELOPMENT AND MANAGEMENT OF SPECIFIC REST APIS (APPLICATION PROGRAMMING INTERFACE), ALLOWS THE INTEROPERABILITY BETWEEN THE SUAPE PLATFORM AND THE SOFTWARE OF THE VARIOUS ENTITIES FOR THE FOLLOWING APPLICATION AREAS: PROTOCOL MANAGEMENT, TAX MANAGEMENT, PRETORIO REGISTER, MANAGEMENT OF ADMINISTRATIVE ACTS, PAYMENT MANAGEMENT, TOPONYMY MANAGEMENT, MANAGEMENT OF OTHER RECEIPTS, CONSTRUCTION, LAND REGISTRY, BUILDING TITLES, PRODUCTION ACTIVITIES, URP.