[customname]

I always imagined that the companies using the service at checkout would give the BNPL company a percentage of the sale if the customer used the service. Even if the price is the same for the consumer, BNPL companies could argue that they generated sales that might've backed out had they not been available.

[yurishimo]

This is exactly how they work. I work for an ecommerce company that offers one of these services. We pay them a small percentage and they take on the liability to collect payment and handle disputes. We already pay another percentage to try and detect fraud for a certain amount of our transactions. By letting the BNPL company act as the purchaser on behalf of the customer, we can offer them a cut of what we would have paid for fraud detection.

[snotrockets]

Exactly. The retailer pays the interest (a small marketing cost to increase customer spend), which is made into an offering to financiers of a low risk loan trenches, with absurdly high interest rate (20%+ APR).