---
title: "Extend"
url: "/docs/extend/"
kind: "hub"
summary: "Put your own logic in the request path: WASM filters with the Rust SDK, external processing over gRPC, or a native Rust HTTP filter."
---

> Arion site index: [/llms.txt](/llms.txt)

# Extend

Put your own logic in the request path: WASM filters with the Rust SDK, external processing over gRPC, or a native Rust HTTP filter.

Three ways to run your own logic inside the proxy, and how to choose between them.