Klarna payments opencart 4.x Pay later, Pay Now or Pay Overtime extension coded with smart way and tested on live online stories, and you can check demo or video.
Check full details here : https://tapspeed.com/blog/opencart-klarna-payments.html
demo:
https://oc4.tapspeed.com/
Test account to test demo and payment process :
https://oc4.tapspeed.com/index.php?route=account/login&language=en-gb
user: customer@email.uk
pass: demo
This extension will let you use Klarna payments [Pay now, Pay later, Pay overtime] into your opencart store as three payment methods for opencart 4.x with lasted Klarna API
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