[Yandex Cloud documentation](../../index.md) > [Yandex API Gateway](../index.md) > [Step-by-step guides](index.md) > Managing an API gateway > Viewing monitoring charts

# Viewing monitoring charts in API Gateway

You can monitor the state of API gateways using the monitoring tools in the management console. These tools display diagnostic information as charts.

The chart update period is 15 seconds.

## Viewing monitoring charts {#charts}

{% list tabs group=instructions %}

- Management console {#console}

    1. In the [management console](https://console.yandex.cloud), navigate to the [folder](../../resource-manager/concepts/resources-hierarchy.md#folder) containing the API gateway. 
    1. Navigate to **API Gateway**.
    1. Select the API gateway whose monitoring charts you want to view.
    1. Navigate to the **Monitoring** tab.
    1. You will see the following charts:

        * **Requests**: Number of API gateway requests. Metrics contain the following labels:
            * **stable**: Events processed by the API Gateway current release. 
            * **canary**: Events processed by the [canary release](../concepts/extensions/canary.md).
            * **total**: Events processed by the canary or current release.
        * **Errors**: Number of API gateway access errors. Metrics contain the following labels:
            * **stable**: Events not processed by the API Gateway current release. 
            * **canary**: Events not processed by the canary release.
            * **total**: Events not processed by the canary or current release.
        * **Latency**: Time for executing API gateway requests.

        * **Connections**: Number of web sockets connected to the API gateway.

        * **Disconnections**: Web socket disconnections per second.

        * **Incoming messages count**: Number of incoming web socket messages.

        * **Incoming messages bytes**: Incoming web socket traffic in bytes.

        * **Outgoing messages count**: Number of outgoing web socket messages.

        * **Outgoing messages bytes**: Outgoing web socket traffic in bytes.

    	You can select a time period to display information for on a graph. It can be an hour, three hours, a day, a week, a month, or a custom interval.

{% endlist %}

## Custom metrics {#metrics}

To get started with [metrics](../../monitoring/concepts/data-model.md#metric), [dashboards](../../monitoring/concepts/visualization/dashboard.md), and [alerts](../../monitoring/concepts/alerting.md#alert) in Monitoring, click **Open in Monium** in the top-right corner.

For a description of metrics, see [this reference](../metrics.md).