# Source: https://upstash.com/docs/workflow/features/flow-control/monitor.md

> ## Documentation Index
> Fetch the complete documentation index at: https://upstash.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Monitoring

You can monitor wait list size of your flow control key's from the console `FlowControl` tab.

<Frame>
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</Frame>

Also you can get the same info using the REST API.

* [List All Flow Control Keys](/workflow/rest/flow-control/list).
* [Single Flow Control Key](/workflow/rest/flow-control/get).