We welcome Fidel Limited to the CardLinx Association! Based in London, Fidel is an API platform that makes it easy for developers to link payment cards to loyalty and marketing services. Fidel provides open-source mobile native and web SDKs, high quality open-source documentation and instant developer support. Additionally, the RESTful API allows developers to create card-linked applications that receives real-time payment transaction data through webhooks. Fidel seeks to make customer loyalty truly effortless.