Customize Envoy Proxy with WebAssembly

Simply and securely extend Envoy Proxy, Gloo API gateway and Istio service mesh with a Wasm module in the language of your choice.

Dynamically build, maintain, add or modify custom filters in any language
Store and share Wasm extensions publicly and privately with the community
Search, browse and consume Wasm Envoy extensions
Install extensions to Envoy-based systems including Envoy, Gloo and Istio

Announcing an Extended and Improved WebAssembly Hub

On March 5th we announced in collaboration with Google and the Istio community, an update to WebAssembly Hub alongside the Istio 1.5 release to bring the power of WebAssembly to Envoy Proxy and Istio service mesh.

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WebAssembly Hub Workflow

WebAssembly Hub provides everything you need to build, publish, discover and deploy custom extensions for Envoy Proxy, Gloo and Istio.