At flaircore.com, we love to interact with 3rd party api(s), in this blog we will explore how you could integrate paypal payments (express checkout) with your drupal website/application. We will create a custom drupal 8 module that will contain a form, and the logic required to integrate with the official paypa-php-sdk.
In this blog, I will demonstrate how you could integrate M-pesa payments (Online payment) in your php app. I will be extending an mpesa php library of choice on a php framework of choice (symfony).
Composer Installed on your machine.
HTTPS enabled urls on your server.