To Import an API Version (Nov 2017)
You can develop an API for and export it from API Manager for future use or for sharing. The exported API can be imported using this procedure. To perform this task, you need to have a ZIP file on your file system containing an API object exported from API Manager.
After logging into Anypoint Platform, click API Manager.
In API Administration, select Manager API > Import API from the Desktop.
Browse to and select the file ZIP file that contains the exported API to import.