ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,474, issued on Feb. 24, was assigned to Alipay (Hangzhou) Information Technology Co. Ltd. (Hangzhou, China).

"Interface invocation request processing methods and apparatuses" was invented by Hao Zhao (Hangzhou, China), Juhu Nie (Hangzhou, China) and Shijie Cao (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this specification provide computer-implemented methods, apparatuses, and computer-readable storage media for interface invocation request processing. In an example interface invocation request processing method, an invocation request for a first interface of an operating system is received from a client application...