ATIS 1000082.v002

This document provides a Technical Report on a SHAKEN APIs used to support a Centralized Signing and Signature Validation Server. These APIs provide a means for multiple and/or disparate network elements to use an HTTP-based RESTful interface to access SHAKEN Signing and Signature Validation servers. Initial SHAKEN API standards have been defined and are expected to further progress in 3rd Generation Partnership Project (3GPP).