Various embodiments of a method and apparatus whereby a single action may control fulfillment services are described. Various embodiments may include an inventory management system associated with a fulfillment services provider. The inventory management system may be configured to implement a fulfillment services management interface configured to generate a user interface providing an indication of item(s) listed for sale by a merchant. In various embodiments, order fulfillment services for such items may not be provided by a fulfillment services provider. Additionally, the user interface may provide a single action user interface element for the merchant to register the one or more items for fulfillment by a fulfillment services provider. The inventory management system may, in response to receiving an indication of activation of the single action user interface element, register the item(s) for fulfillment by the fulfillment services provider.