[Solved] What is the primary role of an API Gateway in a microservices architecture? — Ans: To act as a single entry point that routes client requests to multiple backend... | Rest API

Rest API - Advanced Patterns

What is the primary role of an API Gateway in a microservices architecture?

ATo act as a single entry point that routes client requests to multiple backend services

BTo store data persistently for backend services

CTo replace all backend services with a monolithic service

DTo serve as a database query optimizer

Step-by-Step Solution

Solution:

Step 1: Understand the role of API Gateway
An API Gateway acts as a single entry point for clients to access multiple backend services, simplifying client communication.
Step 2: Eliminate incorrect options
Options A, C, and D describe roles unrelated to API Gateway functions like data storage or replacing services.
Final Answer:
To act as a single entry point that routes client requests to multiple backend services -> Option A
Quick Check:
API Gateway = Single entry point routing [OK]

Quick Trick: API Gateway = single access point for many services [OK]

Common Mistakes:

MISTAKES

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What is the primary role of an API Gateway in a microservices architecture?