Aug 28, 2018 11:25 AM
I'm not entirely sure I understand the question. Are you asking if HubSpot provides integration-consumable notifications of in-app changes? Or if HubSpot provides request monitoring?
If you're asking about the former, the Webhook API provides notifications for contact/company/deal creates/updates/deletes. If you're asking about the latter, Developer portals have a request monitoring page that allows you to view the requests being made by your integration. I've included the docs for both below: