> For the complete documentation index, see [llms.txt](https://docs.shopjar.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.shopjar.co/faq/can-customers-use-multiple-coupon-codes-in-a-single-purchase.md).

# Can customers use multiple coupon codes in a single purchase?

If an existing customer has successfully referred 10 people, they can use each of the 10 coupons or rewards one at a time. However, Shopjar does not allow bundling of the same coupon code in the referral program, so customers cannot combine multiple coupon codes in a single purchase.