IBM WebSphere Transformation Extender for Application Programming
https://ibmwtx.blogspot.com/2015/04/Application-Programming.html
WebSphere Transformation for Application Programming edition is used to deploy transformations in custom programming environments and third party application servers. APIs and interfaces for C, Java, EJB, COBOL, and others are included to integrate the transformation engine into your environment or program. This edition is recommended when you want to call directly from your application into the transformation engine to execute a prebuilt transformation map developed in the Design Studio.
WebSphere Transformation Extender for Application Programming is available for all z/OS environments