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PayPal is an online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders.

Apple Pay is a mobile payment and digital wallet service by Apple that allows users to make payments in person, in iOS apps, and on the web.

Shop Pay is an accelerated checkout that lets customers save their email address, credit card, and shipping and billing information so they can complete their transaction faster the next time they are directed to the Shopify checkout.

MasterCard facilitates electronic funds transfers throughout the world, most commonly through branded credit cards, debit cards and prepaid cards.

American Express, also known as Amex, facilitates electronic funds transfers throughout the world, most commonly through branded credit cards, debit cards and prepaid cards.

Google Pay is a digital wallet platform and online payment system developed by Google to power in-app and tap-to-pay purchases on mobile devices, enabling users to make payments with Android phones, tablets or watches.

Klarna Checkout is a complete payment solution where Klarna handles a store's entire checkout.