PayPal Holdings Inc. is a United States company operating a worldwide online payment system that supports online money transfers and provides an electronic alternative to traditional paper methods like checks and money orders. The company serves as a funds processor for online vendors, auction sites, and other commercial users, for which it levies a fee in exchange for benefits such as one-click settlement and remembering your password.
PayPal's payment program also called PayPal, is considered a type of payment rail. Pay Pal services let people make economic transactions online by allowing the ability to transfer funds between individuals and businesses electronically.
Through PayPal, sellers and buyers can send or receive payments for online auctions on websites such as eBay, purchase or sell goods and services, or donate money or sell products and services, or donate money or receive donations.