Fidel API - Home

  • Products

      products

      Select Transactions API

      Enriched, real-time transaction records from partner merchants

      add-ons

      Offers API

      Create, manage and track card-linked offers

  • Solutions

      Rewards

      Attribution & Insights

  • Developers
    • Documentation

        Overview

        Select Transactions API

    • API Reference

        Select Transactions API

  • Pricing
  • Insights

      Blog

      Customer Stories

      Resources

  • About

      About

      FAQ

      Press

      Careers

      Help Center

      Glossary

  • Log inSign up

    Fidel API In
    Focus

    • Customer stories
    • Product
    • Card-linking
    • Developers
    • Company
    • Talent
    Subscribe
    • Card-linking3 min read

      Stripe, Plaid & The Case For More Dynamic Data

      Stripe launched its Financial Connections product, entering an already crowded market for account linking products. Despite the entrance of another big name, Open Banking has its limitations for developers looking to build dynamic user experiences.

      By Patrick Nealon – VP, Strategy
    • Company3 min read

      The Story Behind Fidel API's Rebrand

      While Fidel API’s audience will rarely hear from the in-house design team, you’ll see our work everywhere. I want to take you on a brief journey of how the design team completed this makeover process, from logo conceptualization to launching the refreshed Fidel API website.

      By Thomas Bossee – Head Of Design
    • Talent3 min read

      Why does Fidel API offer unlimited holidays?

      Trust by design is a big part of Fidel API’s culture. Teams and individuals are encouraged to manage their own time and find the balance that works for them. One of the ways the company fosters that sort of environment is through a modern, more radical, approach to how the team takes time off.

      By Beatriz Lourenço – Talent Manager
    • Developers6 min read

      Guest Blog | A Back-end, A Front-end, And A QA Engineer Walk Into A Webinar

      For this blog post, we want to focus on our culture, team, values, and how we coordinate the work within our engineering department. To achieve this objective, we combined the viewpoints of three developers: a Backend, a Frontend, and a QA.

      By Fidel API – Author
    • Product5 min read

      How To Deal With Ambiguity In Product Management

      As a Product Manager (PM), I help oversee two of the major products within the Fidel API suite. A big part of my role involves untangling product ambiguity. But, let’s explore exactly what that means.

      By Lukas Korenacka – Product Manager
    Previous1234567891011121314151617181920212223Next

    Getting started is
    easy and free

    Get API key

    Products

    • Select Transactions API
    • Offers
    • Pricing

    Solutions

    • Rewards
    • Attribution & Insights

    Developers

    • Documentation
    • Release Notes
    • Status

    API Reference

    • Select Transactions API

    Company

    • Blog
    • About
    • FAQ
    • Customer Stories
    • Resources
    • Help Center
    • Glossary
    • Careers
    • Press
    • Contact
    • Terms of Service
    • Privacy
    • Security
    • Terms of Service
    • Privacy
    • Security

    © 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.

    TwitterGitHubLinkedIn

    By using this site, you agree to our Cookie Policy