Disclosed herein are methods for presenting a search response to a user query configured to include a buy option. In response to the user query on a generalized search engine, the method includes presenting a purchase-related search result that is configured such that when a user interacts with the purchase-related search result and confirms a purchase via interacting with the buy option, the generalized search entity initiates processing of the purchase of an item. The method includes receiving an interaction from the user associated with the purchase-related search result. The generalized search engine or entity can store and process payment information and communicate through an API with a merchant who handles delivery of the item.