Sample payment data
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:
- Credit card number: 4111 1111 1111 1111
- CVC: 123
- Expiration date: 12/28 or any other future date in MM/YY format
- Card number to trigger a 3-D Secure flow: 4687388888888881
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:
- Credit card number: 4012 8888 8888 1881
- CVC: 123
- Expiration date: 12/28 or any other future date in MM/YY format
In the US, use the debit card to test Financing. In addition, when prompted for a Social Security Number (SSN), use 1234.
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