@Ben.J.4474 Refer to the documentation on Source Courses - I'm assuming, based on the information online, the creation of the source course is similar to that of creating a course offering - then the rest of the process is done through the new api calls for Source Course https://community.d2l.com/brightspace/kb/articles/33183-about-source-courses https://docs.valence.desire2learn.com/res/course.html#get--d2l-api-lp-(version)-sourceCourses-(orgUnitId)-currentReofferedCourse