Most BNPL options on Amazon are "point-of-sale" applications, meaning you apply directly during the checkout process. : Add eligible items to your cart and proceed to checkout.
While each provider has different rules, you generally need: Amazon Pay Later - Amazon Customer Service amazon buy now pay later apply
For specific high-value items (like Amazon Devices), you may see an option on the product detail page to "Pay in 5 monthly installments". amazon buy now pay later apply