The use of API gateways in a microservices architecture provides a really interesting way of approaching the microservices integration problem, while also following one of the patterns of application integration through the use of federated gateways. So, let’s take a look at how the API gateways help us in the process of microservices integration.
An API gateway inside the microservices-based application acts as central point through which the microservices can interact with the other microservices present in the infrastructure. This API gateway provides the following characteristics:
- Restricted exposure of APIs: The API gateway provides the functionality of exposing only a restricted set of APIs from the backend microservices, hence limiting what functionality is exposed. Along with this, the API gateway can also introduce new API endpoints in the infrastructure, where each API endpoint can map to multiple API endpoints of the backend...