Sure, Amazon API Gateway is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself: Envoy Proxy  Envoy , Traefik Proxy  Traefik , Kong  Kong .

  1. So is Envoy Proxy Envoy

    Cloud-native high-performance edge/middle/service proxy

    ★ 26.9K Reverse proxy Load balancer API gateway Network Observability License: Apache-2.0

    A high-performance C++ proxy built for cloud-native microservice deployments.

    Envoy acts as a universal data plane for service mesh architectures, providing advanced routing, load balancing, and observability features. Created at Lyft and now a CNCF graduated project used by companies like Airbnb, Netflix, and Uber.

    Envoy Architecture

  2. So is Traefik Proxy Traefik

    A reverse proxy for HTTP services

    ★ 57.1K API gateway Reverse proxy License: MIT

    Traefik is a modern HTTP reverse proxy and load balancer that makes deploying microservices easy.

    preview

  3. So is Kong Kong

    The Cloud-Native API Gateway and AI Gateway

    ★ 41.9K API gateway License: Apache-2.0

    Kong (or Kong API Gateway) is a cloud-native, platform-agnostic, scalable API Gateway distinguished for its high performance and extensibility via plugins. It also provides advanced AI capabilities with multi-LLM support.

    preview