Sezzle is a fintech company on a mission to financially empower the next generation. Sezzle’s payment platform increases the purchasing power for millions of consumers by offering interest-free installment plans at online stores and in-store locations. When consumers apply, approval is instant, and their credit scores are not impacted, unless the consumer elects to opt-in to a credit building feature, called Sezzle Up.. Sezzle now offers a full suite of payment options including pay in 4 and long-term options.