I have questions about my Sezzle Pay in 4 purchase. How can I contact them? February 19, 2025 18:30 Updated Sezzle has FAQs and Contact details here: https://shopper-help.sezzle.com/hc/en-us Related articles I have a used electronic device I’d like to sell. Do you have a Buy Back program? What is UntilGone.com? What forms of payment does UntilGone.com accept? How can I contact UntilGone Customer Support?