grpc.io

{
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                "key_usage": {
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              }, 
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      "dhe_export": {
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        "metadata": {}
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      "get": {
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34.6602l-.4121-8.8483v-7.01l.7386 15.8583z\"/><path class=\"st129\" d=\"M64.0985 34.6602l-.0856-1.8383v-7.01l.4121 8.8483z\"/><path class=\"st129\" d=\"M64.0129 32.8219l.0856 1.8383h-.0856z\"/></g><g><path class=\"st0\" d=\"M23.0105 11.6979 11.2639 23.5324l11.8342 11.7468 10.0115-.0372-10.4982-10.4145 51.842-.1923-4.5437 4.5747 5.0057-.0186 5.8734-5.9171-5.917-5.8733-5.0057.0186 4.5776 4.5412-51.8418.1922 10.4203-10.492z\"/></g></svg></span><span class=\"text-uppercase font-weight-bold\">gRPC</span></a><div class=\"td-navbar-nav-scroll ml-md-auto\" id=main_navbar><ul class=\"navbar-nav mt-2 mt-lg-0\"><li class=\"nav-item mr-4 mb-2 mb-lg-0\"><a class=nav-link href=/about/><span>About</span></a></li><li class=\"nav-item mr-4 mb-2 mb-lg-0\"><a class=nav-link href=/docs/><span>Docs</span></a></li><li class=\"nav-item mr-4 mb-2 mb-lg-0\"><a class=nav-link href=/showcase/><span>Showcase</span></a></li><li class=\"nav-item mr-4 mb-2 mb-lg-0\"><a class=nav-link href=/blog/><span>Blog</span></a></li><li class=\"nav-item mr-4 mb-2 mb-lg-0\"><a class=nav-link href=/community/><span>Community</span></a></li></ul></div><div class=\"navbar-nav d-none d-lg-block\"><input type=search class=\"form-control td-search-input\" placeholder=\"&#xf002 Search this site\u2026\" aria-label=\"Search this site\u2026\" autocomplete=off></div></nav></header><div class=\"container-fluid td-default td-outer\"><main role=main class=td-main><section id=td-cover-block-0 class=\"row td-cover-block td-cover-block--height-max js-td-cover 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\"><p><img src=/img/logos/grpc-logo.png class=grpc-logo></p><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/csharp/quickstart/>C#</a></li><li><a href=/docs/languages/><i class=\"fas fa-ellipsis-h\"></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)\nframework that can run in any environment. It can efficiently connect services\nin and across data centers with pluggable support for load balancing, tracing,\nhealth checking and authentication. It is also applicable in last mile of\ndistributed computing to connect devices, mobile applications and browsers to\nbackend services.</p></section><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 target=_blank rel=noopener><img class=used-by-logo src=/img/users/square-icon.png alt=\"Square logo\"></a></div><div class=c-used-by__user><a href=https://github.com/Netflix/ribbon target=_blank rel=noopener><img class=used-by-logo src=/img/users/netflix-logo.png alt=\"Netflix logo\"></a></div><div class=c-used-by__user><a href=https://blog.gopheracademy.com/advent-2015/etcd-distributed-key-value-store-with-grpc-http2 target=_blank rel=noopener><img class=used-by-logo src=/img/users/coreos-1.png alt=\"CoreOS logo\"></a></div><div class=c-used-by__user><a href=https://www.cockroachlabs.com/blog/a-tale-of-two-ports/ target=_blank rel=noopener><img class=used-by-logo src=/img/users/cockroach-1.png alt=\"Cockroach Labs logo\"></a></div><div class=c-used-by__user><a href=https://github.com/CiscoDevNet/grpc-getting-started target=_blank rel=noopener><img class=used-by-logo src=/img/users/cisco.svg alt=\"Cisco logo\"></a></div><div class=c-used-by__user><a href=https://forums.juniper.net/t5/Automation/OpenConfig-and-gRPC-Junos-Telemetry-Interface/ta-p/316090 target=_blank rel=noopener><img class=used-by-logo src=/img/users/juniperlogo.png alt=\"Juniper Networks logo\"></a></div></div></section><section 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 noreferrer\" href=https://twitter.com/grpcio><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 noreferrer\" href=https://groups.google.com/g/grpc-io><i class=\"fab fa-google\"></i></a></li><li class=\"list-inline-item mx-2 h3\" data-toggle=tooltip data-placement=top title=Gitter aria-label=Gitter><a class=text-white target=_blank rel=\"noopener noreferrer\" href=https://gitter.im/grpc/grpc><i class=\"fab fa-gitter\"></i></a></li></ul></div><div class=\"col-6 col-sm-4 text-right text-xs-center order-sm-3\"><ul class=\"list-inline mb-0\"><li class=\"list-inline-item mx-2 h3\" data-toggle=tooltip data-placement=top title=GitHub aria-label=GitHub><a class=text-white target=_blank rel=\"noopener noreferrer\" href=https://github.com/grpc><i class=\"fab fa-github\"></i></a></li></ul></div><div class=\"col-12 col-sm-4 text-center py-2 order-sm-2\"><small class=text-white>&copy; 2021 gRPC Authors</small></div></div><div class=\"row text-center text-white small\"><div class=\"col-12 text-center py-2 order-sm-2\"><a href=https://www.linuxfoundation.org/terms target=_blank rel=noopener>Terms</a> |\n<a href=https://www.linuxfoundation.org/privacy target=_blank rel=noopener>Privacy</a> |\n<a href=https://www.linuxfoundation.org/trademark-usage target=_blank rel=noopener>Trademarks</a> |\n<a href=https://github.com/grpc/grpc.io/blob/main/LICENSE target=_blank rel=noopener>License</a> |\n<a href=/about/>About</a></div></div></div></footer></div><script src=https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js integrity=sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN crossorigin=anonymous></script><script src=https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js integrity=sha384-w1Q4orYjBQndcko6MimVbzY0tgp4pWB4lZ7lr30WKz0vr/aWKhXdBNmNb5D92v7s crossorigin=anonymous></script><script src=/js/main.min.882ad563fce59e07949521e82ba4e3817d565b4df4abc9433e5c6e92dcdf2b8e.js integrity=\"sha256-iCrVY/zlngeUlSHoK6TjgX1WW030q8lDPlxuktzfK44=\" crossorigin=anonymous></script></body></html>", 
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        "status_line": "200 OK", 
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  "updated_at": "2021-05-11T14:26:07+00:00", 
  "0": {
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        "raw": "v=DMARC1; p=reject; rua=mailto:[email protected]"
      }, 
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        "raw": "v=spf1 -all"
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    }
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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/csharp/quickstart/>C#</a></li><li><a href=/docs/languages/><i class=\"fas fa-ellipsis-h\"></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)\nframework that can run in any environment. It can efficiently connect services\nin and across data centers with pluggable support for load balancing, tracing,\nhealth checking and authentication. It is also applicable in last mile of\ndistributed computing to connect devices, mobile applications and browsers to\nbackend services.</p></section><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 target=_blank rel=noopener><img class=used-by-logo src=/img/users/square-icon.png alt=\"Square logo\"></a></div><div class=c-used-by__user><a href=https://github.com/Netflix/ribbon target=_blank rel=noopener><img class=used-by-logo src=/img/users/netflix-logo.png alt=\"Netflix logo\"></a></div><div class=c-used-by__user><a href=https://blog.gopheracademy.com/advent-2015/etcd-distributed-key-value-store-with-grpc-http2 target=_blank rel=noopener><img class=used-by-logo src=/img/users/coreos-1.png alt=\"CoreOS logo\"></a></div><div class=c-used-by__user><a href=https://www.cockroachlabs.com/blog/a-tale-of-two-ports/ target=_blank rel=noopener><img class=used-by-logo src=/img/users/cockroach-1.png alt=\"Cockroach Labs logo\"></a></div><div class=c-used-by__user><a href=https://github.com/CiscoDevNet/grpc-getting-started target=_blank rel=noopener><img class=used-by-logo src=/img/users/cisco.svg alt=\"Cisco logo\"></a></div><div class=c-used-by__user><a href=https://forums.juniper.net/t5/Automation/OpenConfig-and-gRPC-Junos-Telemetry-Interface/ta-p/316090 target=_blank rel=noopener><img class=used-by-logo src=/img/users/juniperlogo.png alt=\"Juniper Networks logo\"></a></div></div></section><section 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 noreferrer\" href=https://twitter.com/grpcio><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 noreferrer\" href=https://groups.google.com/g/grpc-io><i class=\"fab fa-google\"></i></a></li><li class=\"list-inline-item mx-2 h3\" data-toggle=tooltip data-placement=top title=Gitter aria-label=Gitter><a class=text-white target=_blank rel=\"noopener noreferrer\" href=https://gitter.im/grpc/grpc><i class=\"fab fa-gitter\"></i></a></li></ul></div><div class=\"col-6 col-sm-4 text-right text-xs-center order-sm-3\"><ul class=\"list-inline mb-0\"><li class=\"list-inline-item mx-2 h3\" data-toggle=tooltip data-placement=top title=GitHub aria-label=GitHub><a class=text-white target=_blank rel=\"noopener noreferrer\" href=https://github.com/grpc><i class=\"fab fa-github\"></i></a></li></ul></div><div class=\"col-12 col-sm-4 text-center py-2 order-sm-2\"><small class=text-white>&copy; 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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/csharp/quickstart/>C#</a></li><li><a href=/docs/languages/><i class=\"fas fa-ellipsis-h\"></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)\nframework that can run in any environment. It can efficiently connect services\nin and across data centers with pluggable support for load balancing, tracing,\nhealth checking and authentication. It is also applicable in last mile of\ndistributed computing to connect devices, mobile applications and browsers to\nbackend services.</p></section><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 target=_blank rel=noopener><img class=used-by-logo src=/img/users/square-icon.png alt=\"Square logo\"></a></div><div class=c-used-by__user><a href=https://github.com/Netflix/ribbon target=_blank rel=noopener><img class=used-by-logo src=/img/users/netflix-logo.png alt=\"Netflix logo\"></a></div><div class=c-used-by__user><a href=https://blog.gopheracademy.com/advent-2015/etcd-distributed-key-value-store-with-grpc-http2 target=_blank rel=noopener><img class=used-by-logo src=/img/users/coreos-1.png alt=\"CoreOS logo\"></a></div><div class=c-used-by__user><a href=https://www.cockroachlabs.com/blog/a-tale-of-two-ports/ target=_blank rel=noopener><img class=used-by-logo src=/img/users/cockroach-1.png alt=\"Cockroach Labs logo\"></a></div><div class=c-used-by__user><a href=https://github.com/CiscoDevNet/grpc-getting-started target=_blank rel=noopener><img class=used-by-logo src=/img/users/cisco.svg alt=\"Cisco logo\"></a></div><div class=c-used-by__user><a href=https://forums.juniper.net/t5/Automation/OpenConfig-and-gRPC-Junos-Telemetry-Interface/ta-p/316090 target=_blank rel=noopener><img class=used-by-logo src=/img/users/juniperlogo.png alt=\"Juniper Networks logo\"></a></div></div></section><section 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 noreferrer\" href=https://twitter.com/grpcio><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 noreferrer\" href=https://groups.google.com/g/grpc-io><i class=\"fab fa-google\"></i></a></li><li class=\"list-inline-item mx-2 h3\" data-toggle=tooltip data-placement=top title=Gitter aria-label=Gitter><a class=text-white target=_blank rel=\"noopener noreferrer\" href=https://gitter.im/grpc/grpc><i class=\"fab fa-gitter\"></i></a></li></ul></div><div class=\"col-6 col-sm-4 text-right text-xs-center order-sm-3\"><ul class=\"list-inline mb-0\"><li class=\"list-inline-item mx-2 h3\" data-toggle=tooltip data-placement=top title=GitHub aria-label=GitHub><a class=text-white target=_blank rel=\"noopener noreferrer\" href=https://github.com/grpc><i class=\"fab fa-github\"></i></a></li></ul></div><div class=\"col-12 col-sm-4 text-center py-2 order-sm-2\"><small class=text-white>&copy; 2021 gRPC Authors</small></div></div><div class=\"row text-center text-white small\"><div class=\"col-12 text-center py-2 order-sm-2\"><a href=https://www.linuxfoundation.org/terms target=_blank rel=noopener>Terms</a> |\n<a href=https://www.linuxfoundation.org/privacy target=_blank rel=noopener>Privacy</a> |\n<a href=https://www.linuxfoundation.org/trademark-usage target=_blank rel=noopener>Trademarks</a> |\n<a href=https://github.com/grpc/grpc.io/blob/main/LICENSE target=_blank rel=noopener>License</a> |\n<a href=/about/>About</a></div></div></div></footer></div><script src=https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js integrity=sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN crossorigin=anonymous></script><script src=https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js integrity=sha384-w1Q4orYjBQndcko6MimVbzY0tgp4pWB4lZ7lr30WKz0vr/aWKhXdBNmNb5D92v7s crossorigin=anonymous></script><script src=/js/main.min.882ad563fce59e07949521e82ba4e3817d565b4df4abc9433e5c6e92dcdf2b8e.js integrity=\"sha256-iCrVY/zlngeUlSHoK6TjgX1WW030q8lDPlxuktzfK44=\" crossorigin=anonymous></script></body></html>", 
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