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td-cover-block--height-max td-overlay td-overlay--dark -bg-primary"><div class="container td-overlay__inner"><div class=row><div class=col-12><div class=text-center><div class="pt-3 lead"><img src=/img/logos/grpc-logo.png class=grpc-logo><h2>A high performance, open source universal RPC framework</h2><a class="btn btn-lg btn-primary font-weight-bold my-4" href=/docs/what-is-grpc/introduction>Learn more</a><div class="h3 mt-2">Get started!</div><div class=l-get-started-buttons><ul><li><a href=/docs/languages/go/quickstart/>Go</a></li><li><a href=/docs/languages/cpp/quickstart/>C++</a></li><li><a href=/docs/languages/java/quickstart/>Java</a></li><li><a href=/docs/languages/python/quickstart/>Python</a></li><li><a href=/docs/languages/><i class="fas fa-ellipsis-h" aria-label="Supported languages"></i></a></li></ul></div></div></div></div></div></div></section><div class=container><section class="home--top-section why-grpc"><h2>Why gRPC?</h2><p>gRPC is a modern open source high performance Remote Procedure Call (RPC) framework that can run in any environment. It can efficiently connect services in and across data centers with pluggable support for load balancing, tracing, health checking and authentication. It is also applicable in last mile of distributed computing to connect devices, mobile applications and browsers to backend services.</p></section><div class=youtube-video-center><div class=video-wrapper><iframe src=https://www.youtube.com/embed/5dMK5OW6WSw title="Ten Years of gRPC" frameborder=0 allowfullscreen></iframe></div></div><p><section class=bg-gray-100><div class=c-features><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-1.svg alt="Simple service definition feature icon"><div><h3>Simple service definition</h3><p class=lead>Define your service using Protocol Buffers, a powerful binary serialization toolset and language</p></div></div><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-2.svg alt="Start quickly and scale feature icon"><div><h3>Start quickly and scale</h3><p class=lead>Install runtime and dev environments with a single line and also scale to millions of RPCs per second with the framework</p></div></div><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-3.svg alt="Works across languages and platforms feature icon"><div><h3>Works across languages and platforms</h3><p class=lead>Automatically generate idiomatic client and server stubs for your service in a variety of languages and platforms</p></div></div><div class="col-md-6 o-features__feature"><img class=o-feature__icon src=/img/icons/feature-4.svg alt="Bi-directional streaming and integrated auth feature icon"><div><h3>Bi-directional streaming and integrated auth</h3><p class=lead>Bi-directional streaming and fully integrated pluggable authentication with HTTP/2-based transport</p></div></div></div></section><section class=home--top-section><h2>Used by</h2><div class=c-used-by__users><div class=c-used-by__user><a href=https://youtu.be/-2sWDr3Z0Wo aria-label=Square target=_blank rel=noopener><img class=used-by-logo src=/img/users/square-icon.png alt="Square 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class=home--top-section><h4>gRPC is a <a href=https://cncf.io>CNCF</a> incubation project</h4><img class=cncf-logo src=/img/logos/cncf-horizontal-color.png alt="Cloud Native Computing Foundation logo"></section></p></div></main><footer class="bg-dark py-5 row d-print-none"><div class="container-fluid mx-sm-5"><div class=row><div class="col-6 col-sm-4 text-xs-center order-sm-2"><ul class="list-inline mb-0"><li class="list-inline-item mx-2 h3" data-toggle=tooltip data-placement=top title=Twitter aria-label=Twitter><a class=text-white target=_blank rel=noopener href=https://twitter.com/grpcio aria-label=Twitter><i class="fab fa-twitter"></i></a></li><li class="list-inline-item mx-2 h3" data-toggle=tooltip data-placement=top title="Google Groups" aria-label="Google Groups"><a class=text-white target=_blank rel=noopener href=https://groups.google.com/g/grpc-io aria-label="Google Groups"><i class="fab fa-google"></i></a></li><li class="list-inline-item mx-2 h3" data-toggle=tooltip 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