Abstract: The present disclosure relates to systems, methods, and devices for facilitating payment transactions using an application program interface. In particular, the systems and methods allow payment providers to integrate with a social network and facilitates payment transactions by providing instructions to the payment providers based on the payment providers being integrated with the social network. For example, one or more embodiments identify a payment provider associated with a payment account of a user requesting to initiate a payment transaction. One or more embodiments then determine instructions to send to the payment provider based on transaction information and then send the instructions to the payment provider to cause the payment provider to process the transaction according to the transaction information. Additionally, one or more embodiments cause payment providers to communicate with each other for processing payment transactions involving users of the social network.

Abstract: The present disclosure relates to systems, methods, and devices for facilitating payment transactions using an application program interface. In particular, the systems and methods allow payment providers to integrate with a social network and facilitates payment transactions by providing instructions to the payment providers based on the payment providers being integrated with the social network. For example, one or more embodiments identify a payment provider associated with a payment account of a user requesting to initiate a payment transaction. One or more embodiments then determine instructions to send to the payment provider based on transaction information and then send the instructions to the payment provider to cause the payment provider to process the transaction according to the transaction information. Additionally, one or more embodiments cause payment providers to communicate with each other for processing payment transactions involving users of the social network.

Abstract: The disclosed embodiments provide a system that manages online advertising. During operation, the system identifies a user segment for targeting using an online advertisement slot. Next, the system obtains a distribution associated with winning bids for online advertisements shown to the user segment in the online advertisement slot. Finally, the system uses one or more points from the distribution as bid suggestions for advertising campaigns associated with the user segment.

Abstract: The disclosed embodiments provide a system that manages online advertising. During operation, the system calculates an intrinsic value of an online advertisement slot from at least one of a user engagement value and a cannibalization value. Next, the system obtains a reserve price for the online advertisement slot from at least one of the intrinsic value and an advertiser value. Finally, the system uses the reserve price to manage serving of online advertisements from a set of advertising campaigns in the online advertisement slot.