I implemented Klarna as a payment option in one e-shop recently. Said e-shop operates in Denmark, Sweden and (as of this week) Norway, but the Klarna option is

I implemented Klarna as a payment option in one e-shop recently. Said e-shop operates in Denmark, Sweden and (as of this week) Norway, but the Klarna option is only available in Sweden. The owner said that without this option it wasn't worth even opening the Swedish version. Klarna also requires your Social Security Number, in those countries which use it, as well as other information: http://integration.klarna.com/en/testing/test-persons http://integration.klarna.com/en/testing/test-persons .