The original version of this article became my most-clapped story on Medium, so here is the 2026 refresh: the same practical walkthrough, updated for the PayPal Orders API v2, modern Flutter, and the packages that actually work today.

So, in this article, I will be showing you how you can integrate PayPal as a payment gateway in your Flutter app.

For this purpose, we need to add these dependencies in your pubspec.yaml file:

dependencies:

flutter: