Klarna Checkout

Klarna Checkout

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This module allows integrating the Klarna checkout payment system to your online store.
  • osc app
  • PHP version
  • 7.4.x
  • osCommerce version
  • 4.0.x
  • Additional PHP libs
  • NO
  • Module dependences
  • Depended
  • 3d party services
  • NO
  • Additional requirements
  • NO
Klarna is a payment solution for your online store that supports the Buy Now Pay Later business model - a flexible payment method which gives your customers a choice to pay for the order immediately or later, in full or in installments. For example, the current popular payment options with Klarna are as follow:
  • 4 interest-free payments. Give shoppers the freedom to spread the cost interest-free over time. You get paid immediately and shoppers get a flexible plan.
  • Offer an extra 30 days to pay. Let your customers try before they buy by offering an extra 30 days to complete their payment. No fees.
  • Offer up to 24 months to pay. Give your customers the flexible option to buy now and spread the cost with monthly payments.  
  • Offer to pay in full today. Give shoppers the flexibility to pay instantly by card.

The Klarna checkout module allows accepting payments from your customers made with the Klarna payment method.

The settings of this module allow you:

to enable or disable accepting Klarna payments
to set merchant ID and shared secret to use it with the Klarna service (provided by Klarna)
to set client ID for using with the Klarna services js (On-site messaging)
to use js (for Klarna Payment) or snippet (for Klarna Checkout)
to assign allowed countries and currencies
to set order status
to activate the test mode
to activate the Express button on the shopping cart page (only with Klarna Payments (js))
to set the debug email address and sort order of the Klarna method display 
to set the link regarding the policy for this payment method
to assign minimum order amount for this payment method
to enable or disable this payment method for products with special and/or promotion prices
to config the Express button theme (default, light and dark)

You can also use the other functionalities of this module.

It is possible to configure visibility on different pages.

You can restrict usage of Klarna for the required customer groups.

Also, the geography of applying for all these settings in relation to different countries can be determined together with the possibility of translation to the required language.


This module is used in the backend and on the front end and its settings can be found under Modules and Payment tabs.

Widgets and pages:

No widgets or pages are added to this module.
Paid support

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