As more companies embrace installment payments as a credit card alternative, Worldpay is pushing the model through a collaboration with Klarna.
Worldpay merchants in Austria, Finland, Germany, the Netherlands, Norway, Sweden and the U.K. will be able to use Klarna's invoice and credit-based payments. Worldpay hopes this will boost e-commerce conversion rates by up to 20% and improve checkout.

The extra payment options will allow consumers to decide when to pay. Shoppers who opt for Klarna will be prompted to provide their email and postal code or equivalent, with options to pay via 14-day invoice, fixed or flexible installments that are spread over several months.
The collaboration gives Worldpay another e-commerce tool to battle Amazon following
It also expands