How to allow stacking multiple coupons for Shopify
Using Kangaroo along with your Shopify Integration, will allow your customers to stack multiple coupons at the same time.
- Go to Settings in the Kangaroo Business Portal, Apps and Integrations and make sure you Reauthorize the integration with Shopify.

- While creating an Offer or Redemption, and choosing your Shopify Ecommerce as a location, you will then be able to choose a Combination.
The options are:
Product discounts
Order discounts
Shipping discounts (will not show when you have Free shipping selected)

- For Pay with points and Pay with credits stacking coupons, you can go to Settings, Apps and Integrations, Shopify Configuration, in order to be able to choose the Combinations.

- Save.