An idiomatic C++ client library for the Anthos Multi-Cloud API. This API provides a way to manage Kubernetes clusters that run on AWS and Azure infrastructure. Combined with Connect, you can manage Kubernetes clusters on Google Cloud, AWS, and Azure from the Google Cloud Console. When you create a cluster with Anthos Multi-Cloud, Google creates the resources needed and brings up a cluster on your behalf. You can deploy workloads with the Anthos Multi-Cloud API or the gcloud and kubectl command-line tools.
While this library is GA, please note that the Google Cloud C++ client libraries do not follow Semantic Versioning.
Quickstart
The following shows the code that you'll run in the google/cloud/gkemulticloud/quickstart/ directory, which should give you a taste of the Anthos Multi-Cloud API C++ client library API.
This library offers multiple *Client classes, which are listed below. Each one of these classes exposes all the RPCs for a service as member functions of the class. This library groups multiple services because they are part of the same product or are often used together. A typical example may be the administrative and data plane operations for a single product.
The library also has other classes that provide helpers, configuration parameters, and infrastructure to mock the *Client classes when testing your application.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["\u003cp\u003eThe Anthos Multi-Cloud API C++ Client Library allows management of Kubernetes clusters running on AWS and Azure, alongside Google Cloud clusters, all from the Google Cloud Console.\u003c/p\u003e\n"],["\u003cp\u003eThis library is generally available (GA), providing multiple \u003ccode\u003e*Client\u003c/code\u003e classes like \u003ccode\u003eAttachedClustersClient\u003c/code\u003e, \u003ccode\u003eAwsClustersClient\u003c/code\u003e, and \u003ccode\u003eAzureClustersClient\u003c/code\u003e, each exposing all RPCs for their respective services.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of the library is \u003ccode\u003e2.37.0-rc\u003c/code\u003e, and it does not adhere to Semantic Versioning.\u003c/p\u003e\n"],["\u003cp\u003eA quickstart code example is available, demonstrating how to list attached clusters using the library's API.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation provides resources on error handling, endpoint and authentication overrides, retry policies, and environment variables.\u003c/p\u003e\n"]]],[],null,["Version latestkeyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/gkemulticloud/latest)\n- [2.41.0](/cpp/docs/reference/gkemulticloud/2.41.0)\n- [2.40.0](/cpp/docs/reference/gkemulticloud/2.40.0)\n- [2.39.0](/cpp/docs/reference/gkemulticloud/2.39.0)\n- [2.38.0](/cpp/docs/reference/gkemulticloud/2.38.0)\n- [2.37.0](/cpp/docs/reference/gkemulticloud/2.37.0)\n- [2.36.0](/cpp/docs/reference/gkemulticloud/2.36.0)\n- [2.35.0](/cpp/docs/reference/gkemulticloud/2.35.0)\n- [2.34.0](/cpp/docs/reference/gkemulticloud/2.34.0)\n- [2.33.0](/cpp/docs/reference/gkemulticloud/2.33.0)\n- [2.32.0](/cpp/docs/reference/gkemulticloud/2.32.0)\n- [2.31.0](/cpp/docs/reference/gkemulticloud/2.31.0)\n- [2.30.0](/cpp/docs/reference/gkemulticloud/2.30.0)\n- [2.29.0](/cpp/docs/reference/gkemulticloud/2.29.0)\n- [2.28.0](/cpp/docs/reference/gkemulticloud/2.28.0)\n- [2.27.0](/cpp/docs/reference/gkemulticloud/2.27.0)\n- [2.26.0](/cpp/docs/reference/gkemulticloud/2.26.0)\n- [2.25.1](/cpp/docs/reference/gkemulticloud/2.25.1)\n- [2.24.0](/cpp/docs/reference/gkemulticloud/2.24.0)\n- [2.23.0](/cpp/docs/reference/gkemulticloud/2.23.0)\n- [2.22.1](/cpp/docs/reference/gkemulticloud/2.22.1)\n- [2.21.0](/cpp/docs/reference/gkemulticloud/2.21.0)\n- [2.20.0](/cpp/docs/reference/gkemulticloud/2.20.0)\n- [2.19.0](/cpp/docs/reference/gkemulticloud/2.19.0)\n- [2.18.0](/cpp/docs/reference/gkemulticloud/2.18.0)\n- [2.17.0](/cpp/docs/reference/gkemulticloud/2.17.0)\n- [2.16.0](/cpp/docs/reference/gkemulticloud/2.16.0)\n- [2.15.1](/cpp/docs/reference/gkemulticloud/2.15.1)\n- [2.14.0](/cpp/docs/reference/gkemulticloud/2.14.0)\n- [2.13.0](/cpp/docs/reference/gkemulticloud/2.13.0)\n- [2.12.0](/cpp/docs/reference/gkemulticloud/2.12.0)\n- [2.11.0](/cpp/docs/reference/gkemulticloud/2.11.0) \n\nAnthos Multi-Cloud API C++ Client Library\n=========================================\n\nAn idiomatic C++ client library for the [Anthos Multi-Cloud API](https://cloud.google.com/anthos/clusters/docs/multi-cloud). This API provides a way to manage Kubernetes clusters that run on AWS and Azure infrastructure. Combined with Connect, you can manage Kubernetes clusters on Google Cloud, AWS, and Azure from the Google Cloud Console. When you create a cluster with Anthos Multi-Cloud, Google creates the resources needed and brings up a cluster on your behalf. You can deploy workloads with the Anthos Multi-Cloud API or the gcloud and kubectl command-line tools.\n\nWhile this library is **GA** , please note that the Google Cloud C++ client libraries do **not** follow [Semantic Versioning](https://semver.org/).\n\n### Quickstart\n\nThe following shows the code that you'll run in the `google/cloud/gkemulticloud/quickstart/` directory, which should give you a taste of the Anthos Multi-Cloud API C++ client library API. \n\n #include \"google/cloud/gkemulticloud/v1/attached_clusters_client.h\"\n #include \"google/cloud/location.h\"\n #include \u003ciostream\u003e\n\n int main(int argc, char* argv[]) try {\n if (argc != 3) {\n std::cerr \u003c\u003c \"Usage: \" \u003c\u003c argv[0] \u003c\u003c \" project-id region-id\\n\";\n return 1;\n }\n\n auto const location = google::cloud::Location(argv[1], argv[2]);\n\n namespace gkemulticloud = ::google::cloud::gkemulticloud_v1;\n auto client = gkemulticloud::AttachedClustersClient(\n gkemulticloud::MakeAttachedClustersConnection(location.location_id()));\n\n for (auto ac : client.ListAttachedClusters(location.FullName())) {\n if (!ac) throw std::move(ac).status();\n std::cout \u003c\u003c ac-\u003eDebugString() \u003c\u003c \"\\n\";\n }\n\n return 0;\n } catch (google::cloud::Status const& status) {\n std::cerr \u003c\u003c \"google::cloud::Status thrown: \" \u003c\u003c status \u003c\u003c \"\\n\";\n return 1;\n }\n\n### Main classes\n\nThis library offers multiple `*Client` classes, which are listed below. Each one of these classes exposes all the RPCs for a service as member functions of the class. This library groups multiple services because they are part of the same product or are often used together. A typical example may be the administrative and data plane operations for a single product.\n\nThe library also has other classes that provide helpers, configuration parameters, and infrastructure to mock the `*Client` classes when testing your application.\n\n- [`gkemulticloud_v1::AttachedClustersClient`](/cpp/docs/reference/gkemulticloud/latest/classgoogle_1_1cloud_1_1gkemulticloud__v1_1_1AttachedClustersClient)\n- [`gkemulticloud_v1::AwsClustersClient`](/cpp/docs/reference/gkemulticloud/latest/classgoogle_1_1cloud_1_1gkemulticloud__v1_1_1AwsClustersClient)\n- [`gkemulticloud_v1::AzureClustersClient`](/cpp/docs/reference/gkemulticloud/latest/classgoogle_1_1cloud_1_1gkemulticloud__v1_1_1AzureClustersClient)\n\n### More Information\n\n- [Error Handling](https://cloud.google.com/cpp/docs/reference/common/latest/common-error-handling.html) - describes how the library reports errors.\n- [How to Override the Default Endpoint](/cpp/docs/reference/gkemulticloud/latest/gkemulticloud-override-endpoint) - describes how to override the default endpoint.\n- [How to Override the Authentication Credentials](/cpp/docs/reference/gkemulticloud/latest/gkemulticloud-override-authentication) - describes how to change the authentication credentials used by the library.\n- [Override Retry, Backoff, and Idempotency Policies](/cpp/docs/reference/gkemulticloud/latest/gkemulticloud-override-retry) - describes how to change the default retry policies.\n- [Environment Variables](/cpp/docs/reference/gkemulticloud/latest/gkemulticloud-env) - describes environment variables that can configure the behavior of the library."]]