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Klarna + Shopify.

Klarna helps you convert more sales in your Shopify store. Your customers get the freedom to buy what they want now and pay over time, while you get paid up front and in full.

Getting started with Klarna in your Shopify store is easy.

Sign up with Klarna

Already have a Shopify store? Sign up with Klarna to add flexible payment options.

Integrate smooothly

Once you’re a Klarna retailer, you can integrate in no time.

On-site messaging

Boost your business with on-site messaging available to add to your shop.

How do I get set up?

After you sign up as a Klarna retailer, integration is a breeze.

1. Sign up with Klarna

To get started, you’ll need to create a merchant account and sign up with Klarna.

2. Get & save your Klarna API credential

Generate new API credentials by going to Settings in the Merchant portal. Download and open the file, you'll need these API credentials in the next section.

3. Install Klarna in your Shopify store

Head to the Klarna Payments setup wizard to guide you through the integration for Shopify. Follow the 3 quick steps to get Klarna on your store.

4. Place a trial purchase

Check out the smoooth experience by buying an item with Klarna from your store. After placing the order, go to Orders in Merchant Portal, and cancel the order (make sure you don’t pay yourself)!

5. Boost your sales!

Use On-site messaging to show your shoppers that Klarna payment methods are available throughout the shopping journey. Your customers will see tailored messaging, while you see an increase in your average order value.

Read the full integration guide.

Payment methods that boost sales.

Up your conversion rate by 30% with Klarna in your checkout.

Pay in 4 Installments

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 up to 24 months to pay.

Give your customers the flexible option to buy now and spread the cost with monthly payments.

Pay in 30 days

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.

America’s biggest brands and consumer communities are shopping with Klarna.

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Storets logo
Daniel Wellington
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Nasty Gal
Klarna On-site messaging

On-site messaging

Sell even more with Klarna.

On-site messaging continues the smooth journey, increasing risk-free sales through tailored messaging and showing your customers available payment plans while they’re still shopping.

Take the first step to smooth shopping and add Klarna to your store.

One-time card bi-weekly payments with a service fee to shop anywhere in the Klarna App issued by WebBank. Other CA resident loans at select merchants made or arranged pursuant to a California Financing Law license. Copyright © 2005-2023 Klarna Inc. NMLS #1353190, 629 N. High Street, Third Floor, Columbus, OH 43215.