Fidel, the U.K.-headquartered startup that offers an API to let developers build functionality, such as rewards, on top of the major card payment networks, has raised $18 million in Series A funding. The pretty sizeable round is co-led by U.S.-based fintech funds Nyca Partners and QED Investors . Also participating are Citi Ventures, Commerce VC, … Continue reading Fidel raises $18M to let developers build on top of payment data from Visa, Mastercard and Amex