Opencart Klarna Checkout API V3

Opencart 3 Klarna Checkout API V3,  Klarna Checkout module for Opencart 3 with the latest  Klarna API v3 updates. This opencart extension work 100% opencart 3 here is a demo

What is the Klarna Checkout service?

Klarna Checkout are a complete payment solution where Klarna handles your store’s entire checkout. This solution includes all of Klarna’s payment methods: Pay now (card payments), Pay in 30 days (invoice), Pay in 3 installments, and Financing (installment plans of 6, 12, 24, and 36 months with flexible payments).

What this extension offer :

  •  Card payments (Pay Now) Let you pay with credit card.
  • Pay later: Pay in 30 days (invoice) .
  • Pay in 3 installments.

How Klarna work?

Make it easy for your customers to shop how they prefer, often with a single click. With a simpler buying process, you’ll get more loyal customers and fewer abandoned baskets.

  • On-site messaging: Shoppers learn that they can buy now and pay later when shopping.
  • Payment methods: Your customers can use their card, bank transfer or any of the options to pay now or pay later with Klarna.
  • Billing address: Every returning Klarna user is treated as a returning customer for you and has their billing and shipping address pre-filled

You can start taking an overview from Klarna docs

Opencart Klarna Checkout overview:

  • Default language and auto language detection.
  • Order currency converter to contracted currency.
  • Free technical support for 3 months.
  • Free Installations and setup.
  • Easy setup setting with full inline documentation…

Klarna checkout as a payment method support default checkout, advanced, page checkout and journal3 checkout, etc …

Checkout page loaded successfully by Klarna to start placing an order…

Klanra checkout as payment method



Klarna pay now by credit card or pay later, it is auto payment methods as you contracted with Klarna ,
If you contract with Pay now already, pay later and installments, these three payment methods will appear here,
this same your time and process for developing other tools

Klarna checkout page loaded by klarna to start place your order


opencart Klarna checkout pay now by credit card or pay later options

Finally, as you can see, you can use Klarna checkout v3 into your opencart store. Check the video for full installation and setup or ready below steps:-


Install 3x: Easy by opencart extension installer

  1. Login to your Opencart admin panel. Once you do that, Go to Extensions -> Extension Installer.
  2. Click on the Upload button.
  3. Find an archive on your computer and load it.
  4. And when done, Go to System – Users – User groups – Administrator. Click select all for access and modification. And Save it.
  5. Go to Extensions -> Modification. Click the refresh icon to load the new files.
  6. Go to Dashboard – Top Right Settings Icon – Clear theme cache.
  7. You can now go to Extension –  Payment, You shall find the module here, Click Install & configure Klarna checkout-v3 module in Extensions > Payment->Klarna checkout v3

Demo and testing
use already registered customer :
Login URL:
password: demo

Opencart 3 Klarna Checkout FAQ:

  • What currencies are accepted in the Klarna Checkout?
    The currencies accepted by the Klarna Checkout are as follows: AUD, CAD, CHF, DKK, EUR, GBP, NOK, SEK, USD. The currency accepted by Klarna Checkout is dependent on your site and your specific agreement with Klarna.


Install and setup today

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Opencart Klarna Payments
opencart Klarna payments

Opencart Klarna Payments

Klarna payments opencart Pay later, Pay Now or Pay Overtime extension coded with



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