get_item

List products/services (items) in the organization. Optionally search by name.

Create a new product or service item.

Update an existing product or service item.

Delete a product or service item.

Add a new line item to an existing invoice. Automatically recalculates invoice totals. Description supports multi-line: first line = bold title, lines after \\n = sub-description.

Remove a line item from an invoice by index (0-based) or by matching description text. Recalculates totals.

Update a line item on an invoice. Find by index (0-based) or searchDescription. Can change description, quantity, rate, tax. Use this to fix mistakes instead of creating new invoices. Recalculates totals.