How to Build a Unified API Layer Across MySQL, Postgres & MongoDB with DreamFactory
This guide shows how to create a single API layer that joins data across MySQL, Postgres, and MongoDB using a federated query engine with an API gateway pattern. You will implement a hands-on build, see code samples, and review performance, security, and governance steps. DreamFactory is a secure, self-hosted enterprise data access platform that provides governed API access to any data source, connecting enterprise applications and on-prem LLMs with role-based access and identity passthrough.