The API Gateway is the only one at the center level of UI (client) and services, which means the UI can use it to collaborate with microservices. It provides us with an easier way to manage and expand these services. It gives us another degree of granularity regarding various clients (apps) as required (the application and its scope).
Simply put, granularity describes a framework that is separated into little sections. Huge frameworks can also be separated or divided into better, more appropriate sections.
The role of the API Gateway in microservices is to provide an intermediate, direct connection between the client and the hosted services with a specific arrangement and interpretation. This way the client only concentrates on what is required of it, without focusing on the server-side.
The API Gateway exemplifies the framework's design and...