gRPC HTTP/1.1 Bridge

This documentation is for the Envoy v3 API.

As of Envoy v1.18 the v2 API has been removed and is no longer supported.

If you are upgrading from v2 API config you may wish to view the v2 API documentation:

This extension may be referenced by the qualified name envoy.filters.http.grpc_http1_bridge


This extension has an unknown security posture and should only be used in deployments where both the downstream and upstream are trusted.


This extension extends and can be used with the following extension category:

gRPC HTTP/1.1 Bridge Filter configuration overview.


[extensions.filters.http.grpc_http1_bridge.v3.Config proto]

gRPC HTTP/1.1 Bridge filter config.

  "upgrade_protobuf_to_grpc": "..."

(bool) If true then requests with content type set to application/x-protobuf will be automatically converted to gRPC. This works by prepending the payload data with the gRPC header frame, as defined by the wiring format, and Content-Type will be updated accordingly before sending the request. For the requests that went through this upgrade the filter will also strip the frame before forwarding the response to the client.