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      Create, manage and track card-linked offers

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    • Customer experience2 min read

      Views from Vegas Money 2020: The future of customer experience

      Our key takeways on the trends shaping today’s customer experiences and how innovative businesses can execute on them.

      By Niamh Cassidy – Head of Content
    • Retail3 min read

      Want to save the High Street? Stop targeting customers

      Retailers need to think beyond acquisition and incrementality. Card-linked offers can help footfall back to the High Street.

      By Tim Weatherseed – Head of Partnerships
    • Loyalty3 min read

      How to increase customer retention with card-linking

      Card-linked offers are the best way to create reward programs that cut friction and keep customers engaged.

      By Niamh Cassidy – Head of Content
    • Company2 min read

      Why we’ve made our product roadmap public

      We've made our product roadmap public so we can make sure we’re building the best possible API for you.

      By Stephane Cornille – Head of Marketing
    • Company5 min read

      Fidel raises an $18m Series A to accelerate FinTech innovation

      Fidel API's helping accelerate the FinTech innovations driving value back to users

      By Dev Subrata – Founder & CEO
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    © 2025. Enigmatic Smile Ltd trading as Fidel. Fidel API uses a proprietary tokenization system and does not store any card numbers.
    All API requests use TLSv1.2 with end-to-end encryption. Fidel API receives transaction authorization messages
    typically within seconds of a successful authorization event.

    © 2025. Enigmatic Smile Ltd trading as Fidel. Fidel API uses a proprietary tokenization system and does not store any card numbers. All API requests use TLSv1.2 with end-to-end encryption. Fidel API receives transaction authorization messages typically within seconds of a successful authorization event.

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