KlarnaCustomer serviceProducts & servicesTerms & conditionsWhere can I view Klarna’s terms and conditions?How can I make a formal complaint to Klarna?Payment optionsDoes Klarna perform a credit check?What is '4 interest-free payments'?How do I sign up for 4 interest-free payments?Is there a late fee for 4 interest-free payments?Klarna shopping appIs the Klarna app available in other languages?How do I download the app?One-time cardWhat is a One-time card, and how does it work?What happens if my purchase is for a different amount than my One-time card?What if I never use the One-time card and want to cancel it?Why was my One-time card purchase declined?Sustainability at KlarnaWhat is Give one?What is the CO2 calculation displayed in the app and how is it calculated?Does the tracker cover CO2 only?Does Klarna share CO2 user data with any third parties?Still need help? Contact us.We are available by chat 7 days a week: 11 am - 8 pm.Chat with usor Call us