No, but... In my experience, the best way to integrate different cloud-based technologies is using a platform like Zapier or MSFT Power Automate. If HighQ had a Power Automate connector, it would make those integrations so much easier. You can create your own bespoke HTTP calls in Power Automate against HighQ, but you need to handle authentication manually. You can also create a custom HighQ connector which would handle authentication better. (I have experimented with that.)

Even better would be if such a connector could be event driven, although most of the HighQ APIs don't seem to support that. For example, when a new iSheet record is created in a certain iSheet, trigger a flow to run. Power Automate has a connector for SharePoint (and Smartsheet and Salesforce, etc.) that is triggered by record creation. That is really the holy grail. Indeed, this is how Collaborate's own workflow rules work, they are triggered by some activity.

Otherwise, in Power Automate you need to set up a schedule and poll for changes.