QStash allows you to group multiple APIs together into a single namespace,
called a URL Group (Previously, it was called Topics).
Read more about URL Groups here.
There are two ways to create endpoints and URL Groups: The UI and the REST API.
UI#
Go to console.upstash.com/qstash and click
on the URL Groups tab. Afterwards you can create a new URL Group by giving it a name.
Keep in mind that URL Group names are restricted to alphanumeric, underscore, hyphen
and dot characters.

After creating the URL Group, you can add endpoints to it:

API#
You can create a URL Group and endpoint using the console or REST API.