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Engineering that ships. War stories first: incidents, migrations, benchmarks and the on-call reality behind the slides. System design, infra, Kubernetes, backend. No hype, no product pitches. Want to write for us? Open the Write for Us tab.

Ingress Isn’t Dead. So Why Do We Need Gateway API?

The simple explanation of Kubernetes Ingress vs Gateway API—and why the way we manage application traffic is evolving.

8 min readSep 16, 2026

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If you’ve worked with Kubernetes, you’ve probably used Ingress to expose applications outside the cluster.

But Kubernetes networking is evolving, and you may have started hearing another term more frequently: Gateway API.

So what exactly is the difference between Ingress and Gateway API?

Are they alternatives?
Is Gateway API replacing Ingress?
And more importantly, when should you use one over the other?

Let’s break it down.

What is Kubernetes Ingress?

Ingress is a Kubernetes API object used to define rules for routing external HTTP/HTTPS traffic to services inside a cluster.

A typical architecture looks like this:

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17+ years of IT professional experience, focused on DevOps, DevSecOps, SRE, and cloud engineering. Goal is simple to make complex concepts easy to understand

Beyond Localhost
Beyond Localhost

Published in Beyond Localhost

Engineering that ships. War stories first: incidents, migrations, benchmarks and the on-call reality behind the slides. System design, infra, Kubernetes, backend. No hype, no product pitches. Want to write for us? Open the Write for Us tab.