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

    Posts by Doug Sillars

    Developer Relations Manager

    • Developers3 min read

      Adding the Fidel iOS SDK to Your Swift iOS Application

      In this post, we'll walk through the steps in creating an iOS app using Swift, and adding in the Fidel SDK. We'll then successfully use the SDK to add a card to our program.

    • Developers3 min read

      Adding the Fidel Android SDK to Your Kotlin Android Application

      Fidel's real-time transaction monitoring allows you to monitor your customers' purchasing patterns. The first step, is of course, for customers to opt-in their credit cards for tracking at your locations.

    • Developers8 min read

      Creating a Card Linking Program with the Fidel APIs

      Creating a card linking program is very easy to do, using the Fidel Dashboard, or using our API. In this post, we’ve walked through all the steps to create a card linking program with our APIs.

    • Subscribe to our newsletter

    • Developers3 min read

      How to create a card-linked offer

      Card-linked offers add value for customers and get you real-time data. Our tutorial shows you how create an offer.

    • Developers3 min read

      Real-time financial transactions with Fidel and Webhooks

      Webhooks make it even easier to receive notifications about user transactions in real-time

    • Developers1 min read

      Hello World: Welcome to the Fidel developer community

      We're sunsetting Slack and launching our brand new developer community. It'll make it quicker and easier to solve problems and get answers to FAQs.

    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