You need this to get it done:
Action DetailsRequirements and how-to articles for Etsy's action:
Choose the type of discount your coupon is offering: percentage off (you can offer any percentage off the list price of items in your shop), fixed amount off (you can offer a fixed amount off the list price of items in your shop) or free standard delivery.
Create the coupon code to be sent to shoppers which they can enter into their basket at the checkout.
Must contain between 5 and 20 alphanumeric characters (no spaces or punctuation.)
Minimum Purchase Amount (optional)
If you wish, you can enter a minimum purchase amount which the customer must spend in order for the coupon to apply to their basket.
How-To ArticlesA list of useful links for you:
A list of useful links for you:
Etsy - Advertising & Marketing Policy
Etsy Help Centre - How to Set Up Sales and Coupons for Your Shop
Official information about setting up sales and coupons on Etsy.
Etsy - Organising a Productive Promotion for Your Shop
Official help guide for Etsy shop promotions.