[Yandex Cloud documentation](../../../index.md) > [Yandex Application Load Balancer](../../index.md) > API reference > gRPC > Overview

# Application Load Balancer 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/apploadbalancer/v1).

**Service URL**: `https://alb.api.cloud.yandex.net`

#|
||Service | Description ||
|| [BackendGroup](BackendGroup/index.md) | A set of methods for managing backend groups. ||
|| [HttpRouter](HttpRouter/index.md) | A set of methods for managing HTTP routers. ||
|| [LoadBalancer](LoadBalancer/index.md) | A set of methods for managing application load balancers. ||
|| [Operation](Operation/index.md) | A set of methods for managing operations for asynchronous API requests. ||
|| [TargetGroup](TargetGroup/index.md) | A set of methods for managing target groups. ||
|| [VirtualHost](VirtualHost/index.md) | A set of methods for managing virtual hosts of HTTP routers. ||
|#