What is On-site messaging (OSM) and how do I activate it?
By letting your shoppers know about the different payment options available before they reach the checkout can influence the purchase decision.
All retailers using Klarna Payments or one of our checkout solutions are able to use our manual HTML integration. Everything you’ll need can be found in the
of the Klarna Merchant Portal.Instructions on how to integrate using HTML can be found
Good to know: We support payment messaging, top-strip promotions, footer promotions, banners, and information page messaging. You can place the message anywhere on your website and in multiple places.


The service is available for all retailers using Klarna Payments or Klarna Checkout. And it’s free! Letting your shoppers know about the different payment options available to them before they reach the checkout can influence the purchase decision.All retailers using Klarna Payments or Klarna Checkout are able to use our manual HTML integration. Everything you’ll need can be found in the
of the Klarna Merchant Portal. Instructions on how to integrate using HTML can be foundSome platforms have apps or plugins that make this process even easier! Click on your platform below for more information:
Still need help? Please contact our
.Contact Merchant support
Do you want to start selling with Klarna?
Already a Klarna merchant?
✓ Sign in to the Merchant Portal to take control of your orders, payouts, bank details, disputes, and more.
✓ Chat with Merchant support for expert help.
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