Need a Module for OpenCart E commerce system.
Klarna is payment method that allows customer to pay per each month of the total amount.
Klarna have a finish and very good explained integration guide:
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Please have a good look into it before you bid, There is many of you just bidding of objects before you really understand it´s all about.
I dont want to hear that you misunderstand the job/ increase amount or other explanations. If you can do it, and professional enough, please bid. If not, please dont.
You have all you need on the link above.
Good luck!