How Amazon API Gateway Works?
An API Gateway endpoint receives requests from clients. The request will be routed to the relevant backend service via API Gateway to the proper service. After processing the request, the backend service provides a response then the client receives the response from API Gateway.
Amazon Web Service – Introduction to API Gateway
Firstly, API stands for Application Program Interface. An API Gateway is a management tool that acts as an interface between users and microservices. The Amazon API Gateway is an AWS service that allows users to create, publish, secure, maintain and monitor APIs at any scale. You can create APIs in your client application and can also make them available to third-party developers. It is serverless. It supports HTTP, WebSocket, and REST APIs. API Gateway is a type of server that provides the service of API which is used to customize each client.
The Netflix API Gateway is the most popular example of API Gateway. Many e‑commerce site uses an API gateway to provide the endpoint for retrieving the details of all products from mobile clients with only a single request. So, This invokes many different services like the proper information of product, and product reviews and then combines the results.