Generate Paypal Pro API Keys
Here you will learn how to setup the Pay Pal Pro gateway in your website administration panel.
Step-by-step guide
Log in on https://developer.paypal.com/ using your Business Account
Navigate to https://developer.paypal.com/developer/applications
Scroll down the page until you see "REST API Apps" and click on "Create App"
Enter "Gateway Connector" as App Name, select a sandbox account, click "Create App" (be sure to select the sandbox account you want the app associated with)
Click on "Live" mode tab (upper right of screen next to Sandbox)
Confirm that all settings are correct
Copy keys for "Client ID" and "Secret" and enter them in your admin section => settings page
Setting up the Pay Pal Pro gateway