1. A system, comprising: 1 a healthcare system that receives an application programming interface call containing application level data for a request, the healthcare system having a health graph database that stores data about one or more entities associated with the heathcare system, the application programming interface call containing metadata about the request; a data persistence system that persists application level data and metadata into the health graph database and correlates each piece of persisted application level data and metadata to an entity stored in the health graph database; and an entity in the health graph database being updated in response to the persisted application level data and metadata.