---
source_url: https://www.pubnub.com/docs/portal/usage/monitoring-metrics
title: Monitoring Metrics
updated_at: 2026-05-18T12:48:46.650Z
---

> Documentation Index
> For a curated overview of PubNub documentation, see: https://www.pubnub.com/docs/llms.txt
> For the full list of all documentation pages, see: https://www.pubnub.com/docs/llms-full.txt


# Monitoring Metrics

The Monitoring Metrics tab shows charts that help you monitor your app at a glance.

:::note Filters and types
Click a transaction type to filter. Hover over a type to see a tooltip.
:::

## Publish/Subscribe correlations

Shows the total number of Transactions for the Publish/Subscribe API over the selected time range.

![Publish/Subscribe correlations chart with filter controls](https://www.pubnub.com/assets/images/pubsub_correlations-66b9e14bfdf493540580b68926dfb074.png)

## Client errors

Shows the total number of client errors grouped by API over the selected time range.

![Client errors chart grouped by API with filters](https://www.pubnub.com/assets/images/client_errors-b9c32320790e2f05bf565479b87a4ce0.png)

## Unauthorized Access

Shows the total number of unauthorized access attempts grouped by API over the selected time range.

![Unauthorized access attempts chart grouped by API](https://www.pubnub.com/assets/images/unauthorized_access-dc21d2fab7946c4da6728a1abd2d20b5.png)

## Message counts section per API

Shows the number of messages grouped by API over the selected time range.

![Message counts chart grouped by API](https://www.pubnub.com/assets/images/message_counts-b58b00a313b902ba6ebb4a4f2dc23e89.png)

## Miscellaneous application monitoring in time

Shows total activity over the selected time range.

![Application activity chart over the selected time range](https://www.pubnub.com/assets/images/miscellaneous-f36f37681c816d0c0f9802ce7d65eb89.png)

## Fire transactions

Shows the total number of Fire transactions grouped by metric over the selected time range.

![Fire transactions chart grouped by metric](https://www.pubnub.com/assets/images/fire-transactions-ba3b94ca13a4f289ae22ca34892f94c8.png)