This section contains sample payment data you can use for testing your integration in the Klarna playground environment.
The following payment methods are available for testing both Payments and Checkout.
To test the direct debit payment flow from a customer's perspective, use an IBAN-format number. For example, the following sample IBAN number will work for a test store in Germany: DE1152 0513 7351 2071 0131.
In Sweden, use the following sample Personal number: 19770111-6050.
To test the card payment flow from a customer's perspective, use the following card details in the loaded Klarna widget:
Card payment UI flow
To test the card payment flow from a customer's perspective, use the following card details in the loaded Klarna widget:
In the US, use the debit card to test Financing. In addition, when prompted for a Social Security Number (SSN), use 123456789
To test a direct bank transfer payment flow from a customer's perspective, look for Demo Bank in the loaded Klarna widget.
Bank transfer payment UI flow