E.D.D.I (Enhanced Dialog Driven Interface) is a conversational AI middleware that offers prompt and conversation management for Conversational APIs, such as ChatGPT. Developed in Java using Quarkus, it is lean, RESTful, scalable, and cloud-native. EDDI offers seamless API integration capabilities, allowing easy connection with various conversational or traditional REST APIs. It supports the integration of multiple bots with multiple bot versions for a smooth upgrading and transitions experience.