List of available metrics that Hubspot provides through an API available here.
We highly recommend to contact integration platforms to figure out what metrics they can extract. Sometimes integration platforms don't have certain metrics out of the box, so it's better to contact them.
Automation can make your life easier, and there are a few tools you should check out. If you want to add new customers from HubSpot to one of your email newsletters or if just got some great leads and you want to make your team aware of that - automation is the way to go! Find what integration options exist with Hubspot so that repetitive tasks become less frustrating for yourself.