Discount codes

Discounts that only apply when the customer enters a code.

The discount code list — code, type, validity period and usage count

What you can configure

Setting	Notes
Type	A fixed amount or a percentage
Minimum order value	Doesn't apply below this
What the discount is calculated on	Before or after shipping
Usage limit	A store-wide total, and optionally one use per person
Active period	Start and end times
Scope	Store-wide, specific categories, or specific products

The discount code settings — type, conditions, limits and scope

Question: Can a discount code stack with a promotion?

It depends on your configuration. By default they stack; if you don't want that, turn on Cannot be combined with other offers on the code.