cataloginventory/stock_item_api Inventory API cataloginventory Retrieve stock data by product ids items cataloginventory/info Update product stock data cataloginventory/update Multi update product stock data cataloginventory/update 101 Product not exists. 102 Product inventory not updated. Details in error message. 103 Quantity of product IDs and product data should match. Inventory was not updated. cataloginventory_stock_item catalogInventoryStockItem Catalog Inventory 4 Update Retrieve stock data