With Website Payments Pro, you get the payment processing capabilities of a merchant account and gateway plus much more. It is an all-in-one payment solution that includes PayPal Direct Payment API and PayPal Express Checkout.

• Direct Payment API enables you to accept credit card payments directly on your website. PayPal remains invisible, so you control the customer experience.
• PayPal Express Checkout allows PayPal account holders to check out fast with saved account information, and enables you to gain incremental sales from PayPal’s growing base of users (over 71 million users).
• Optionally, you can accept payments for phone, fax, and mail orders. Website Payments Pro includes Virtual Terminal, which allows you to conveniently process payments for these types of transactions and increase revenue.

1, Install PHP5.

2, Install essential PHP extension:

yum install php-soap
yum install php-pear
yum install php-xmlrpc
apachectl restart

3, Download phpPaypalPro from https://sourceforge.net/project/showfiles.php?group_id=187933

4, Extract phpPaypalPro to your ecommerce web site. Test examples.php to see if the package works.

5, Sign up with PayPal for a (business) Website Payments Pro account, get your PayPal API Credentials (