Flywire: International Payments Platform Project Overview Flywire is a fintech startup disrupting the market for large-scale, international paymentsThis site provides a simple, seamless, and intuitive way for customers to initiate, track, and complete complex international payments. Project Overview Flywire is a fintech startup disrupting the market for large-scale, international paymentsThis site provides a simple, seamless, and intuitive way for customers to initiate, track, and complete complex international payments.