ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,893, issued on June 24, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Systems and/or methods implementing hybrid approach using JWT token and symmetric hashing" was invented by Malligarjunan Sidduraj (Chennai, India) and Madhavan Kidambi Varadan (Chennai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "An API gateway receives, from an application, a callback-related request and a registration token including a callback URL usable by an API server to call the callback server and security data for the callback URL. If that token's signature is valid: the callback URL, the security data for the callback URL, and an identif...