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    • Card-linking2 min read

      The new kid on the block — Why card-linking is fintech’s latest darling

      The rise of fintech and how card-linking is the latest trend impacting the industry.

      By Marie Volpe – Product Marketing Manager
    • Product Updates1 min read

      The Holy Trinity – Fidel Adds Support for Amex Transactions 🚀

      Today we become the first global card-linking enabler to capture transactions across all major payment networks!

      By Marie Volpe – Product Marketing Manager
    • Company1 min read

      Fidel on Rocket Fuel! 🚀

      Time for Fidel to share what we have been working on since the last blog post. Our milestones have always been with the end goal of simplifying card-linked technology – see what's new!

      By Sam Leslie-Miller – Head of Operations
    • Company2 min read

      Fidel 2018 Update 🚤

      The worker bees have been busy here at Fidel over the last 6 months full steam ahead to make card linking more accessible.

      By Sam Leslie-Miller – Head of Operations
    • Tech3 min read

      Introducing a Smarter Program Sync

      For some time now, we’ve been discussing ideas on how to improve the way new merchant locations are onboarded on FIDEL programs.

      By Andre Elias – Co-Founder & CTO
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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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