Epsilla is a no-code Retrieval-Augmented Generation as a Service (RAG-as-a-Service) platform that allows users to build production-ready Large Language Model (LLM) applications based on private or public data. The platform offers a one-stop solution, including data management, RAG tools, CI/CD-style evaluations, and enterprise-level security measures, designed to lower the total cost of ownership (TCO), enhance query speed and throughput, while ensuring timeliness and security of information.