Designing a Fault-Tolerant API Gateway in Go

Mon, 10 Aug 2026 00:00:00 +0000

Designing a Fault-Tolerant API Gateway in Go

An API gateway sits at an uncomfortable boundary.

It receives traffic from clients, but the work is usually performed somewhere else. Every request that passes through the gateway eventually depends on downstream services, networks, databases, caches, or other infrastructure.

That makes the gateway more than a reverse proxy.

It becomes one of the places where reliability decisions have to be made.

This is the problem I wanted to explore while building Flux-Gateway, a high-performance API gateway and reverse proxy written in Go.

Distributed Systems on Ikwuka Okoye

Designing a Fault-Tolerant API Gateway in Go

Designing a Fault-Tolerant API Gateway in Go