In 2026, the most used online payment method in Spain is Bizum, a mobile payment solution integrated directly into the apps of almost all Spanish banks. While traditional credit and debit cards (Visa and Mastercard) remain ubiquitous for larger e-commerce transactions, Bizum has revolutionized the high-fidelity peer-to-peer and small-merchant payment landscape. It allows users to send and receive money instantly using only a mobile phone number, and its "Bizum for Shopping" feature has been widely adopted by online retailers across the country. Following Bizum, PayPal remains highly popular for its perceived security and buyer protection, particularly for international purchases. Additionally, digital wallets like Apple Pay and Google Pay have seen massive growth in Spain as contactless infrastructure is standard nationwide. For a traveler or resident in 2026, having a Bizum-enabled account is considered a "must-have" for everything from splitting a dinner bill to paying for artisanal goods online, as it bypasses the need for IBAN transfers or physical cash in nearly every digital-first scenario.