Can I use promo codes with a financed order? August 11, 2020 13:49 Yes! You can use a promo code with any type of order. Related articles What if I couldn't or forgot to apply my promo or referral code to my purchase? Why am I being charged a $45 fee by Katapult? Do you offer financing options? How long will it take for my order to arrive? Do you offer a military discount?