#api-gateway

When Every API Request Started Returning 429: Debugging SpikeArrest and Quota in Google Cloud…

When I started managing an existing client environment, one of the systems I had to maintain was an API running behind Google Cloud Apigee.

How “just forward the request” turns into a surprisingly complicated job

You send a request: Get /orders Authorization: Bearer eyfghj…..

Reasons Synchronous Microservice Chains Fail Harder Than They Look

Hands-On API Management with WSO2 API Manager — Part 1

Running WSO2 API Manager 4.4.0 with Docker and Publishing a Spring Boot API

How Would You Integrate a Third-Party Payment API Securely?

Payment integrations are one of the most sensitive parts of a backend application.

Tips: Design Fallback Responses Without Creating Data Integrity Bugs

The Three-Step Framework for LLM API Cost Governance

Visibility first, guardrails second, optimization last. In that order.

What Would You Do If a Third-Party API Goes Down While Users Are Still Sending Requests?

Most backend applications depend on third-party APIs.

Building a Lightweight API Gateway with Envoy (Without the Complexities)

Static routes, rate limiting, and authentication filters via Lua scripting — no service mesh, no control plane, just a config file and a…

Ingress-NGINX is retiring. The hard part isn’t Gateway API. It’s your annotations.

Why hosts-and-paths conversion isn’t enough, and how GateShift helps you migrate without silently dropping production behavior. Tags…

Wiring It All Together: API Gateway & Service Discovery in Spring Boot Microservices

Introduction

API Gateway Becomes a Bottleneck: System Design Deep Dive on Gateway Scaling, Authentication…

System Design Real Scenarios— A Popular Interview Question That Tests Gateway Architecture, Auth Offloading, Connection Pooling, Rate…

Cert-Manager: Certificados TLS automáticos en Kubernetes con Let’s Encrypt.

Aprenderemos cómo automatizar la emisión y renovación de certificados TLS en Kubernetes usando cert-manager y Let’s Encrypt, validando el…

API Gateway vs BFF: Two Patterns Everyone Confuses

It starts small. You add an API gateway in front of your services, and it does exactly what you hoped: one place for authentication, one…

Rate Limiting Is a Security Feature, Not Just a Cost Control

Ask a developer why they added rate limiting and you’ll usually hear some version of “so one bad client can’t blow up our bill” or “so a…

Middleware Development Services: Why Disconnected Enterprise Systems Continue to Slow Business…

A manufacturing company completes an online order in seconds, but finance does not receive the transaction for hours. Inventory stays out…

From REST APIs to MCP Tools Governed, Secured and Cost-Effective

Introduction

Introducing b17s.Porta — A Backend-for-Frontend library for ASP.NET Core

An easy to use, customizable, boiler-plate code free Backend-for-Frontend library for ASP.NET Core.

Documenting My System Design Learning — Understanding Scaling, Load Balancers & API Gateways

If you’ve ever wondered how applications like Amazon, Netflix, or Instagram serve millions of users simultaneously, this article is for…

Why Digital Communication Tools Are Becoming Essential for Business Growth

In today’s digital economy, customers expect businesses to communicate quickly, conveniently, and effectively. Whether it is receiving…

The Silent Bleed: Why Poor Integration Governance Destroys ERP ROI

Every year, enterprise leaders sign off on massive digital transformation budgets, convinced that a new ERP system will finally unite their…

Load balancer vs API Gateway vs Reverse Proxy

After hearing all three of them, you might be a little confused about their working, their properties and why do we need them?

Many Gateways, One Command Center: Inside MuleSoft’s Omni API Gateway

Most companies don’t actually have an API problem. They have a “too many APIs in too many places” problem. That’s exactly what MuleSoft’s…

API Gateway Pattern: Controlling Traffic in a Microservices World

Microservices solved many problems.

OpenWA Gives Developers a Self-Hosted WhatsApp API Gateway That Costs Nothing Per Message

Why Your API Gateway Should Know Nothing About Your Business Logic

Most backend teams start with a simple architecture.

🤖 Amazon Bedrock: Building a Simple Blog Summarizer 📝

>>> A hands-on introduction to Amazon Bedrock using Lambda, API Gateway, CDK, and GitHub Actions

Kubernetes Networking Evolution: Why Gateway API is Replacing Traditional Ingress

INTRODUCTION

AWS Transfer family User Management Admin UI

Replacing CLI Scripts with a Serverless Admin Portal for AWS Transfer Family

From Legacy Ingress to Gateway API: Why Kubernetes Routing Is Evolving

When teams migrate from classic Kubernetes Ingress to Gateway API, the first reaction is usually: “Why did one object become multiple…

Python-Powered API Policies: Building a Prompt Safety Inspector for WSO2 API Platform Gateway

Python-Powered API Policies: Building a Prompt Safety Inspector for WSO2 API Platform Gateway

Azure API Management: Gateway, Policies, Authentication and Everything I Learned in Production

Azure API Management (APIM) is a fully managed gateway that sits in front of all your backend APIs. Instead of exposing your raw APIs…

Liminal Gateways

by Michael Erlewine

API GATEWAY VS LOAD BALANCER IN REAL-TIME ANALOGY

I always believe that complex technical concepts can be understood much better when explained using simple real-life examples.

API Gateway con Apache Camel y Spring Boot: Una Puerta de Entrada Inteligente para tus…

Introducción

Microservices Interview Questions: 50 Must-Know Q&A (Java Backend Perspective)

Level: Beginner → Intermediate → Advanced

How to Secure Your APIs on WSO2 API Gateway Using Auth0 JWTs

In a modern microservices architecture, securing your endpoints is non-negotiable. Passing credentials back and forth is old school —…

From Commit to Gateway: Automating API Deployment with WSO2 API Platform Gateway

A backend service is ready. The endpoints work. The next step is exposing it as a secured, manageable API.

I Built a Smart LLM Gateway That Chooses the Right AI Model For You

Spoiler: one model is 19x faster than the other. The trick is knowing when to use which.

Bitcoin’s Biggest Problem Isn’t Adoption Anymore

It’s the financial infrastructure being built around it

From Ingress to Gateway API: How We Modernized Networking on Our GKE Cluster

We recently migrated our production GKE cluster from the traditional Ingress controller to the Kubernetes Gateway API — and honestly, we…

YARP as an API Gateway: A Real-World .NET 10 Implementation

A real-world implementation with database-backed routing, API Key authentication, and on-demand reloading

Building a Zero-Trust API Architecture Using AWS API Gateway

Modern applications are no longer protected by a simple firewall.

How to Secure AWS API Gateway Calls to Private On-Prem APIs

Modern applications are increasingly hybrid.

Building a JWT Auth Gateway with Kong & Docker Compose — A Real-World Setup Guide

How I wired up a custom Kong Lua plugin to validate JWTs and inject userId headers across Spring Boot microservices — and the walls I hit…

Transform REST APIs into MCP tools with Amazon Bedrock AgentCore Gateway

Every enterprise has a stack of REST APIs — CRM endpoints, inventory services, billing engines — that AI agents could use. The Model…

Agent Gateway: LLM Gateway on Kubernetes

Satu pintu masuk untuk semua trafik AI Anda — unified, secure, observable, dan Kubernetes-native

The AI Infrastructure Shift: Why Your API Gateway Isn’t Enough for LLMs

Building a GenAI prototype is easy. Moving it to production is where the real engineering begins. As developers scale from a single OpenAI…

Why .NET AI Gateways Melt Down on 429s: The Retry Storm Nobody Plans For

The easiest way to make a healthy AI feature look broken is to wrap it in a naive retry policy.

Microservices Interview Preparation— The Notes That Helped Me Stop Saying “I Don’t Know”

When I started giving interviews, I was comfortable with: