CRM API V4 Capabilites

• Filtering is supported on key tables including Contacts, Companies, and Deals. Supported operators include =.
• The Leads and Orders tables support batch insert, batch update, and batch delete operations.

CRM API V4 Limitations

• Creating, updating, and deleting custom HubSpot objects (tables) and properties (columns) are not supported.
• Server-side filtering is only supported for the Id and Archived columns in the Leads, Companies, Contacts, and Deals tables. The Appointments table supports additional server-side filters, for example, AppointmentName and AppointmentStart. Filters on all other columns are processed client-side.
• Creating custom objects is not supported in the V4 API.
• Association API limitations for daily and burst limits: APIAssociations.