How create pay Chrome app with PayPal?

Question

I see that you can make a pay packaged app with the Google Wallet API (for in the Chrome Web Store). https://developers.google.com/chrome/web-store/docs/index#charging And also it is possible to create a custom pay service. So I want create an app that use PayPal as payment solution.

Any sample how to do this? A basic sample sample will be great.

Answer 1

You could try to use the PayPal IPN system with PHP, the IPN system stores data into an SQL server.. Here's a good sample

Answer 2

There's a PayPal API you can use and here's an express checkout example app (with code).