Klarna is one of our chosen payment options. They have some great options to provide 30 day later options as well as a pay in 3 option. These options are only available for anyone of the age of 18. Which is the reason why the date of birth request is there? Also Klarna are able to validate who you are quite quickly and do a quick credit score to ensure the people are using the deferred payment option are suitable to do so. So remember if you are wanting to spread your costs to add your date of birth.