Payment method, terminal devices, servers, systems and medium

Abstract

A payment includes: in response to a received payment request message, sending a security verification request message to a security control system, the security verification request message is used to instruct the security control system to perform security verification according to security verification information; receiving security verification result information sent by the security control system; when the security verification result information indicates that the security verification is passed, sending a first notification message to the SDK, the first notification message instructs the SDK to notify the host program to display a user verification page to prompt the user to enter the first user verification input information, the first user verification input information is used for the host program server to perform user verification to obtain user verification result information; when the user verification result information indicates that the user verification is passed, initiating a payment request to complete the payment.