A method and a system to determine a product identification of an item for sale in an online publication system is shown and described. For example, the method may be initiated when an input identifying an item is received from a user. An input type (e.g., image, text, audio recording, etc.) may be determined and one or more identification services may be selected based on the input type. At least a portion of the input is transmit to the selected one or more identification services. A product identification is received from each of the one or more identification services. Based on the received product identifications, a recommended product identification is determined. The recommended product identification is transmitted to the user.