Clone this repo:
  1. b901e84 Internal change by martinduke · 3 days ago main
  2. bf89439 Remove redundant code to report ECN marks. by martinduke · 3 days ago
  3. a46b81a Fix Windows build error due to implicit cast of uint64_t to WebTransportStreamError which is uint8_t. by QUICHE team · 4 days ago
  4. 2d5985e Fix QUICHE bazel build by adding a missing dependency by vasilvv · 4 days ago
  5. bccc6da Internal change by danzh · 4 days ago


QUICHE stands for QUIC, Http, Etc. It is Google‘s production-ready implementation of QUIC, HTTP/2, HTTP/3, and related protocols and tools. It powers Google’s servers, Chromium, Envoy, and other projects. It is actively developed and maintained.

There are two public QUICHE repositories. Either one may be used by embedders, as they are automatically kept in sync:

To embed QUICHE in your project, platform APIs need to be implemented and build files need to be created. Note that it is on the QUICHE team's roadmap to include default implementation for all platform APIs and to open-source build files. In the meanwhile, take a look at open source embedders like Chromium and Envoy to get started:

To contribute to QUICHE, follow instructions at

QUICHE is only supported on little-endian platforms.