# Connection Manager API: gRPC reference

Actions are performed by making RPC calls. For more information about API architecture, see [API Concepts](../../../../api-design-guide/index.md).

**Interface definitions** available at [GitHub](https://github.com/yandex-cloud/cloudapi/tree/master/yandex/cloud/connectionmanager/v1).

**Service URL**: `https://connman.api.yandexcloud.kz`

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||Service | Description ||
|| [Connection](Connection/index.md) | A set of methods for managing Connection resources. ||
|| [Operation](Operation/index.md) | A set of methods for managing operations for asynchronous API requests. ||
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