Coupon Importer. Import coupons via CSV in Easy Digital Downloads.
This extension allows you to import coupons into your store in bulk via CSV. Simple setup your CSV file with all of the discounts you wish to import, upload the file, and click Import.

MyCred Addons Bundle – Top Rated WordPress Points Management System Pack
Top Rated WordPress Points Management System
myCred makes it simple to create a loyalty program or gamify your website so that you can increase the average customer value with less marketing effort.