Grokking Microservices Design Patterns
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Advantages of API Gateway Pattern

Without a gateway, every client has to know the address of every service, call each one separately, and handle each one's data format and errors. That work grows every time a service is added. The API Gateway takes it off the client.

The API Gateway Pattern really is a powerhouse when it comes to organizing and simplifying interactions in a microservices architecture. Here are a few problems that it helps to solve:

1. Complexity of Interactions:

  • Problem: In a microservices architecture, there are many services talking to each other

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A

Abdul Ahad

· a year ago

  • A client sending an HTTP request with JSON data can have it translated by the API gateway to a gRPC request understood by the backend service. 
  • A backend service returning data in XML format can have it translated by the API gateway to JSON before sending it back to the client.