The three types of EDI services are: Web – Based EDI: This type of EDI allows businesses to access and exchange EDI documents through a web portal without the need for on – premises software installations. It is suitable for small and medium – sized enterprises that do not require complex integration. EDI VAN(Value – Added Network): EDI VAN acts as an intermediary between trading partners, facilitating secure and reliable transmission of EDI documents. It provides a secure and efficient way to exchange data between businesses. Integrated EDI: Integrated EDI involves integrating EDI capabilities directly into the organization ‘s existing ERP (Enterprise Resource Planning) or back-end systems. This provides a seamless and automated data exchange process, eliminating the need for manual data entry and enhancing overall efficiency.