Buy-Now, Pay-Later (BNPL) is the fastest-growing payment option for e-commerce. The idea of BNPL is to enable merchants to buy on credit and pay back later at their leisure. Although it has its origins in credit cards, it is considered to have far more potential in the industry. In fact, customer acquisition for BNPL services surged by 162% between 2018 and 2019 alone. Most merchants are now realizing the need for BNPL platforms because of the immense benefits they can offer. Moreover, BNPL is also redefining the consumer journey by effortlessly integrating as a checkout option into e-commerce. As a result, every small merchant now wants to learn the fundamentals of buy now, pay later, including how it works, the integration needs, and how to manage the checkout experience. Merchant’s Perspective on Integrating BNPL Into Their Shops From the standpoint of merchant checkout design, BNPL is simply another payment option that does not need any special effort. Surely, as with any new payment method, some backend integration is necessary to present this option to customers. However, BNPL connections are simple and technically similar to other popular alternatives such as credit cards, debit cards, or digital wallets. If a merchant utilizes a checkout page hosted by a payment service provider (i.e. hosted payment page), the merchant will need even less effort to activate BNPL payments. Moreover, adding popular BNPL options like @Pay...