I believe what you're looking to achieve may be doable using our CRM Extensions API to create your own extensions in your Portal.
Specifically, you can include Action Hooks. When a user clicks on an action that is defined as an action hook, HubSpot will send a request using the URI and HTTP method specified in the action definition.
However, if this is not what you're looking for, let me know with a little more detail on the end-goal and we can take a look for you.
I believe what you're looking to achieve may be doable using our CRM Extensions API to create your own extensions in your Portal.
Specifically, you can include Action Hooks. When a user clicks on an action that is defined as an action hook, HubSpot will send a request using the URI and HTTP method specified in the action definition.
However, if this is not what you're looking for, let me know with a little more detail on the end-goal and we can take a look for you.