Systems and methods are disclosed that provide for a linking of a product database across different search platforms and then managing payments by a generalized search entity such that users are not transitioned to a merchant site from advertisements or search results. A method includes establishing, at a generalized search entity, a link to a product database of a merchant, offering, by the generalized search entity and based on a correlation of search terms to the product database of the merchant, search results across at least a first search platform and a second search platform and receiving, from a user, a confirmation of a payment for a product associated with a search result presented on the first search platform by the generalized search entity. The generalized search entity processes the payment for the product without transitioning the user to a site operated by the merchant.