Knot is a technology company that specializes in creating solutions for connecting cardholders to merchants efficiently. They offer products like CardSwitcher™, MassSwitcher™, and AccountUpdater™ that allow users to update card information across multiple merchants quickly and seamlessly, thus improving user experience and retention. Knot's technology integrates into existing systems with minimal effort, making it easy for banks, fintechs, and other financial entities to adopt their solutions. By focusing on enhancing cardholder interaction and positioning card services top-of-wallet, Knot brings value to their partners in the payment ecosystem.