Is there any methods that I can use for discount codes? I mean I just wanna add an expiraton date that can be set to a future date if the code won’t expire, so customers can use it in the future at Vouchers4U.com .
The Coupons API is used to manage your site’s coupons.
You can offer your customers discount coupons to promote loyalty and increase sales. Customers can then apply the coupon codes at checkout to take advantage of your offers. You can apply coupons to items in Wix Stores , Wix Bookings , and Wix Events .
https://www.wix.com/corvid/reference/wix-marketing-backend.coupons.html