Sure, Google Apigee is awesome.

But have you considered these open source alternatives?

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

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

  1. So is Traefik Proxy Traefik proxy

    Un proxy inverso per servizi HTTP

    ★ 52k api-gateway reverse-proxy License: MIT

    Traefik è un moderno proxy HTTP inverso e bilanciatore di carico che rende semplice il deployment dei microservizi.

    preview

  2. So is Kong Kong

    The Cloud-Native API Gateway and AI Gateway

    ★ 39.8k 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.