The customer agrees on an installment plan with Klarna. Klarna can configure different type of installment plans, such as flexible installments, fixed installments, or "buy now pay X months later". For the purposes of integration, these function the same.
- For HPP integrations: follow the same implementation process as open invoice.
- For API integrations: follow the same implementation process as open invoice, but include the following additions:
selectedBrand- set the value to klarna_account.
additionalData- add ‘openinvoicedata.installmentConfigurationKey’ and include Klarna’s
pclassidfor the installment plan.