The scope of support document will list what is and isn't covered with respect to API support in your current maintenance agreement subscription.
Refer to the VBA/API Support section of the specific maintenance plan to which your are currently subscribed. You can find our other scopes of support on our website's Scopes of Maintenance and Support.
Note: The Support Team cannot create code at your request or edit or debug code you created. We offer billable services to help you with these types of requests.