Apache APISIX vs Emissary-ingress
A side-by-side comparison of two self-hosted reverse proxy & gateways options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Apache APISIX | Emissary-ingress |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 95 · Excellent | 88 · Excellent |
| Category | Reverse Proxy & Gateways | Reverse Proxy & Gateways |
| License | Apache-2.0 | Apache-2.0 |
| Language | Lua | Python |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 512 MB |
| Deployment | docker, kubernetes, helm | kubernetes, helm |
| GitHub stars | ★ 17,161 | ★ 4,523 |
| First released | 2019 | 2017 |
| Replaces | Kong, AWS API Gateway | AWS API Gateway, Kong |
What are Apache APISIX and Emissary-ingress?
Apache APISIX
Apache APISIX is a dynamic, real-time, high-performance API gateway that provides traffic management features such as load balancing, authentication, and observability. It supports hot reloading of plugins.
- Dynamic plugin loading
- High throughput
- Built-in dashboard
- gRPC and WebSocket proxying
Emissary-ingress
Emissary-ingress is an open-source, Kubernetes-native API gateway and ingress controller built on Envoy Proxy. It manages traffic, rate limiting, and authentication for cluster workloads.
- Kubernetes-native API gateway
- Envoy data plane
- Rate limiting and auth
- Declarative configuration
Apache APISIX vs Emissary-ingress: key differences
Apache APISIX is written in Lua, while Emissary-ingress is built with Python. Emissary-ingress is the more established project (first released 2017), while Apache APISIX arrived in 2019. Apache APISIX has the considerably larger community, at 17,161 GitHub stars versus 4,523. Apache APISIX lists first-class Docker deployment; Emissary-ingress does not.
Why pick each one
Choose Apache APISIX if…
- Hot-reloadable plugins
- High performance core
- Rich plugin library
Watch out for
- Requires etcd
- Learning curve for config
Choose Emissary-ingress if…
- Released under the Apache-2.0 license
- Kubernetes-ready with Helm charts available
- Active community (4.5k GitHub stars)
- Written in Python
Frequently asked questions
Is Apache APISIX or Emissary-ingress better?
Neither is universally better. Apache APISIX has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Apache APISIX and Emissary-ingress free and open-source?
Yes. Apache APISIX is licensed under Apache-2.0 and Emissary-ingress under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Apache APISIX and Emissary-ingress with Docker?
Apache APISIX: yes. Emissary-ingress: check the project docs for container support.