Retrieves the item list.

Create a new item (product or service).

Get the given item (product or service).

Edit the given item (product or service).

Delete the given item (product or service).

Activate the given item (product or service).

Retrieves the item associated invoices transactions.

Retrieves the item associated bills transactions.

Retrieves the item associated estimates transactions.

Retrieves the item associated receipts transactions.

Validates which items can be deleted and returns counts of deletable and non-deletable items.

Deletes multiple items in bulk.