Fonbnk is a global marketplace that allows users to convert their airtime into digital money. They offer a mobile app, web app, pay widget, and top-up widget for convenient access. Fonbnk aims to revolutionize cross-border payments and increase financial inclusion through their services. They provide a platform for users to swap airtime with trusted market makers and convert it into digital money for deposit into their preferred wallet. Fonbnk also offers fast and secure mobile top-up services worldwide.