e-Government Center of Moldova is a public agency developing and running the main e-government platform services. At the heart of e-Government in Moldova is MConnect, which is the National Interoperability Platform based on WSO2 products that enables data exchange between various central public bodies. The platform has been in production for almost 3 years, continuously connecting more data sources and consumers. This slide deck describes governmental data exchange needs, list the common obstacles in implementing a nationwide data exchange platform, discuss the choices between interoperability architectures, explore achieved results, and explain the lessons learned as well as future plans envisioned for legal, organizational, semantic, and technical issues.