Delivery app DoorDash has partnered with payment and commerce service Klarna to offer customers payment choices when they check out. Options will include paying immediately, in four equal interest-free installments or deferring payments to “a more convenient time, such as a date that aligns with their paycheck schedules,” according to a press release. One of DoorDash’s main competitors, Grubhub, also uses Klarna for payment solutions.

“As we expand DoorDash’s offerings—from groceries and beauty to electronics and gifts—flexible payment options are essential to meeting our customers’ needs,” said Anand Subbarayan, head of money products at DoorDash. “We’re excited to partner with Klarna to enhance the convenience we offer, including flexible payment options for our DashPass Annual Plan, the most affordable way to order on DoorDash with added streaming and ride benefits at no extra cost.”

“While this might add another layer of convenience for shoppers, some experts warn that these services can have a negative impact on customers who are buying items they don’t need and cannot afford,” wrote the Washington Post.

Buy-now-pay-later services such as Klarna, Affirm and Afterpay are increasingly being used by U.S. consumers. This past holiday season, more shoppers than ever used delayed payment methods, according to reporting by the Washington Post.

Klarna said it has 675,000 merchant partners across 26 countries, with 93 million active consumers. Klarna also recently announced that retail giant Walmart will use its buy-now-pay-later loan service.

The Conexxus Vision Group recently explored the double-edged sword of third-party delivery in a new report. The data looked at how c-stores can better implement third-party delivery services and reach more customers.