GuideMonitor the status Learn how to monitor the distribution status of an in-store payment. GuideManage refunds Learn how to process refunds for in-store purchases. GuideAPI integration Use Klarna API to integrate In-store with your store's solution. GuidePurchase country, locale, and currency When initiating a payment, you need to define a country, locale, and currency for the payment session. Learn which are the valid values for these parameters and how to map them. GuideIntegrate On-site messagingLearn how you can add On-site messaging. Get a glimpse of what each integration option offers and start implementing. GuideCancel an authorizationUse the Klarna payments API to cancel an authorization and remove any customer debts gotten during the payment session. GuideCancel a customer token You can cancel a customer token if it's no longer needed, for example, if a customer cancels their subscription. GuideKlarna payments SDK reference This is the library reference for the Klarna payments JavaScript SDK. Here you can find a description of the different methods, their required parameters, and their returns. GuideCustomize placements with CSSThis guide provides instructions on how to style the On-site messaging placements that appear on your pages through CSS to align them with the look and feel of your page. GuideDiscounts Most common discount types can be deducted through Klarna payments. Find all information below on vouchers, codes, gift cards and loyalty clubs, including integration and VAT handling.