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 , Kong  Kong .

  1. So is Traefik Proxy Traefik

    HTTPサービス用のリバースプロキシ

    ★ 53.2K api-gateway reverse-proxy License: MIT

    Traefikは、マイクロサービスのデプロイを容易にする最新のHTTPリバースプロキシおよびロードバランサーです。

    preview

  2. So is Kong Kong

    The Cloud-Native API Gateway and AI Gateway

    ★ 39.9K 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.