
When the item is in the out-of-stock state (quantity equals zero), the item will not be shown in the search results until it is back in stock (quantity greater than zero). When the quantity of an item goes to zero in a listing using this feature, the item remains 'alive'. When this feature is enabled, it is automatically applied to all the user's existing listings and to any new listings they create.

Once you enable the account settings to “ Use the out-of-stock option”, then the feed will be able to update your listings to quantity = "0" Using the Out-of-Stock Feature to Keep your Listings Alive If this feature is not enabled, and you are not filtering or ending listings that are out of stock, then you will see the feed fail to update inventory to "0" quantity.Įrror message: Quantity is not valid. The quantity must be a valid number greater than 0. The following contains excerpts from eBay's article Using the Out-of-Stock Feature Common issues when NOT using this feature
