A reference architecture for real-time microservice API consumption

Modern web frameworks and backend-as-a-service providers make it possible for real-time updates to a NoSQL data model to be reflected in the user interfaces of multiple subscribing end-user applications. However, it remains difficult for users to dynamically discover and instantly make use of the data provided by the plethora of REST APIs in existence across various cloud providers today. This paper presents a reference architecture built on the idea of a scalable NoSQL database that allows multiple subscribers to receive instant notifications of database changes through the use of a "livequery". By keeping one WebSocket connection open between each client web browser and an Object Synchronization Server, this paper shows how data from multiple disparate REST APIs can be organized and transmitted to interested clients via the database. An example is given featuring a collaborative rich-text editor that makes use of a Named-Entity Recognition microservice.

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