# Limits

{% content-ref url="limits/how-are-concurrent-connections-counted" %}
[how-are-concurrent-connections-counted](https://docs.bird.com/pusher/channels/channels/limits/how-are-concurrent-connections-counted)
{% endcontent-ref %}

{% content-ref url="limits/how-can-i-add-other-contacts-to-my-channels-limits-notifications" %}
[how-can-i-add-other-contacts-to-my-channels-limits-notifications](https://docs.bird.com/pusher/channels/channels/limits/how-can-i-add-other-contacts-to-my-channels-limits-notifications)
{% endcontent-ref %}

{% content-ref url="limits/how-can-i-configure-usage-summaries" %}
[how-can-i-configure-usage-summaries](https://docs.bird.com/pusher/channels/channels/limits/how-can-i-configure-usage-summaries)
{% endcontent-ref %}

{% content-ref url="limits/how-can-i-monitor-my-account-usage" %}
[how-can-i-monitor-my-account-usage](https://docs.bird.com/pusher/channels/channels/limits/how-can-i-monitor-my-account-usage)
{% endcontent-ref %}

{% content-ref url="limits/how-is-my-message-count-calculated-in-channels" %}
[how-is-my-message-count-calculated-in-channels](https://docs.bird.com/pusher/channels/channels/limits/how-is-my-message-count-calculated-in-channels)
{% endcontent-ref %}

{% content-ref url="limits/what-happens-when-i-hit-my-channels-plan-limits" %}
[what-happens-when-i-hit-my-channels-plan-limits](https://docs.bird.com/pusher/channels/channels/limits/what-happens-when-i-hit-my-channels-plan-limits)
{% endcontent-ref %}

{% content-ref url="limits/over-what-time-period-are-my-channels-limits-counted" %}
[over-what-time-period-are-my-channels-limits-counted](https://docs.bird.com/pusher/channels/channels/limits/over-what-time-period-are-my-channels-limits-counted)
{% endcontent-ref %}

{% content-ref url="limits/what-is-the-message-size-limit-when-publishing-an-event-in-channels" %}
[what-is-the-message-size-limit-when-publishing-an-event-in-channels](https://docs.bird.com/pusher/channels/channels/limits/what-is-the-message-size-limit-when-publishing-an-event-in-channels)
{% endcontent-ref %}

{% content-ref url="limits/why-do-my-channels-metrics-graphs-and-stats-numbers-show-different-values" %}
[why-do-my-channels-metrics-graphs-and-stats-numbers-show-different-values](https://docs.bird.com/pusher/channels/channels/limits/why-do-my-channels-metrics-graphs-and-stats-numbers-show-different-values)
{% endcontent-ref %}

{% content-ref url="limits/what-is-the-maximum-number-of-channels-supported-per-app" %}
[what-is-the-maximum-number-of-channels-supported-per-app](https://docs.bird.com/pusher/channels/channels/limits/what-is-the-maximum-number-of-channels-supported-per-app)
{% endcontent-ref %}

{% hint style="info" %}
Still have questions? Please reach out to our Support team by visiting [this page](https://messagebird.com/support-center/Pusher-request-new).
{% endhint %}
