What is an API Gateway and why should you consider using it in your project?

An API Gateway is a key component in microservices architecture that serves as the entry point for all user requests. Its main role is to manage traffic and communication between various microservices. With an API Gateway, developers can control which services are accessible, enhancing both security and system flexibility. Examples of API Gateway functionalities include authorization, routing, data transformation, and monitoring. The article also discusses how an API Gateway can simplify system architecture and highlights best practices for its implementation. Additionally, it points out why using an API Gateway is beneficial from a scalability perspective.