PayPal Website payments pro is a PayPal checkout solution that allows you to directly accept credit card payments on your site. Your customers can shop with ease without ever leaving your website. It gives you full control over your checkout process from start to finish.
How to Integrate PayPal in WordPress Simply
If you are using your WordPress site for e-commerce, having a reliable shopping cart plugin is a must. Tips and Tricks HQ has designed the WordPress Simple PayPal Shopping Cart for this purpose. With a rating of 4.3 stars, close to 400,000 downloads, regular updates and great support, the plugin is definitely worth giving a try.
WP Simple PayPal Shopping Cart allows you to include an Add to Cart button on your posts or pages, as well as display the actual shopping cart in your posts, pages or sidebars. Visitors can see what they currently have in their carts, and remove products or change their quantity with a simple click of a button. Payments are processed via PayPal.