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  1. What is an API Gateway and Why is it Useful? - freeCodeCamp.org

    Dec 11, 2023 · The API gateway acts as the middle-man between clients and the many services they may need to access. It handles request validation, authentication and authorisation, rate …

  2. What is Amazon API Gateway? - Amazon API Gateway

    API Gateway acts as a "front door" for applications to access data, business logic, or functionality from your backend services, such as workloads running on Amazon Elastic Compute Cloud …

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  3. What is an API gateway? - IBM

    An API gateway is a software layer that presents a single entry point for clients to access multiple backend services, while managing client/server interactions.

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  4. What is API Gateway? - GeeksforGeeks

    Oct 15, 2025 · An API Gateway is a key component in system design, particularly in microservices architectures and modern web applications. It serves as a centralized entry …

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  5. API gateways - Azure Architecture Center | Microsoft Learn

    An API gateway provides a centralized entry point for managing interactions between clients and application services. It acts as a reverse proxy and routes clients requests to the appropriate …

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  6. What Is an API Gateway? - Palo Alto Networks

    An API gateway is a server that acts as an intermediary between clients and microservices in a distributed software architecture, often within a cloud environment.

  7. What Is API Gateway | Definition, Examples & Tools

    Jul 18, 2025 · In today’s digital-first world, businesses rely on secure, scalable interfaces—and API gateways are the front line. This guide dives into what is API gateway, its role in cloud …

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    • API Gateway Main Concepts Explained - apipark.com

      Nov 9, 2025 · At its heart, an API Gateway is a single, unified entry point for all client requests into an API ecosystem. It acts as a reverse proxy that receives incoming API calls, processes them …

    • What is an API Gateway? — and why you might need one · caduh

      Aug 30, 2025 · A simple explainer of API gateways—how they centralize auth, rate limiting, routing, and observability—and when to adopt one versus calling services directly.

    • Demystifying API Gateways: A Comprehensive Guide

      Mar 8, 2024 · What is an API Gateway? An API gateway is an architectural pattern that sits between clients and backend services, acting as a single entry point for all incoming API …

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