Integrating Apple Pay in Flutter Using Method Channels for Dynamic Payments

Integrating Apple Pay in a Flutter app opens up a world of convenient, secure payments for iOS users, providing a seamless way to handle transactions without relying on third-party packages. However, when your app requires dynamic payment amounts and items that adapt to user selections or varying conditions, the implementation can seem challenging — especially if you’re aiming to avoid existing payment plugins and want full control over customization.

In this guide, we’ll explore how to set up Apple Pay in a Flutter app using Method Channels, allowing you to connect your Flutter code to native Swift code for a powerful, flexible payment experience. By following this approach, you can build a custom Apple Pay integration that dynamically adjusts to the user’s cart items and total. Whether you’re working on an e-commerce app, a booking platform, or any app needing a streamlined payment flow, this method will help you implement Apple Pay with ease and customization.

To integrate Apple Pay in Flutter without relying on the pay package and with dynamically adjustable items and totals, you can achieve this by following these steps:

Step 1: Set Up Apple Pay Capabilities in Xcode

1. Open your Flutter iOS project in Xcode.