Fidel raises $18M to let developers build on top of payment data from Visa, MasterCard and Amex

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, Elefund, Horizons Ventures, RBC Ventures Inc. (a subsidiary of Royal Bank of Canada), and 500 Startups. Several angel investors also joined in, such as