PayPal is a digital payments platform that enables individuals and businesses to make secure, fast, and convenient online transactions. It allows users to send and receive money, pay for goods and services, and transfer funds across borders, all with just an email address or phone number. PayPal supports various payment methods, including credit/debit cards, bank accounts, and PayPal balances. It also offers features like buyer protection, recurring billing, and integration with e-commerce platforms. Additionally, PayPal owns services like Venmo and Braintree, expanding its reach in peer-to-peer payments and mobile commerce.