Wisetack | 6,746 followers on LinkedIn. Buy now, pay later for in-person services. Our technology adds financing to any user experience and software platform. | Wisetack is the leading Pay Over Time platform for in-person services. Wisetack partners with top SaaS service companies to embed payment options directly into their software through a simple API integration. Service businesses rely on Wisetack to offer their customers flexible, point of sale financing, enabling them to quickly and easily pay over time for essential services.