Export Plan data or Saved views from CMP via the open APIs. As of now, no Open API is available for this. We can export Campaign, tasks, users, fields, etc. but there is no way to associate them together to create a plan. I Believe this should have already been there as plan or saved view is a major component in CMP and since there is already a way to manually export this data into csv files, there should have also been a way to automate the export.