An item object is useful for vendor bills and customer invoices. For customers, an item object describes what your organization provides. For vendors, the item object describes what is provided to your organization.
You can sync your items with your choice of account software or import using a CSV file.
Display item in the BILL web app
You can display item numbers with the BILL web app.
In the BILL web app, click SETTINGS at the top-right.
Click Preferences under Accounting.
Click the edit icon at the top-right.
Set Use Items in Payables as Yes and then click SAVE.
Click Try It! to start a request and see the response here!