Magento Community Edition, 1.9.x

PayPal Payments Standard

PayPal Payments Standard is the easiest way to accept payments online. You can offer your customers the convenience of payment both by credit card and PayPal by simply adding a checkout button to your store.

For merchants outside the US, this method is called “PayPal Website Payments Standard.”

With PayPal Payments Standard, you can swipe credit cards on mobile devices. There is no monthly fee, and you can get paid on eBay. Supported credit cards include Visa, MasterCard, Discover, and American Express. In addition, customers can pay directly from their personal PayPal accounts. PayPal Payments Standard is available in all countries on the PayPal worldwide reference list.

Requirements
Setting Up PayPal Payments Standard

PayPal Payments Standard cannot be enabled simultaneously with any other PayPal method, including Express Checkout. If you change payment solutions, the one you used previously is disabled.