Klarna

Receive payments on your Medusa commerce application using Klarna.

Klarna Plugin Documentation | Medusa Website | Medusa Repository

Features

Authorize payments on orders from any sales channel.
Capture payments from the admin dashboard.
Support for Webhooks.

Prerequisites

How to Install

1. Run the following command in the directory of the Medusa backend:

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  npm install medusa-payment-klarna

2. Set the following environment variables in .env:

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  KLARNA_BACKEND_URL=<YOUR_KLARNA_BACKEND_URL>
  KLARNA_URL=<YOUR_KLARNA_URL>
  KLARNA_USER=<YOUR_KLARNA_USER>
  KLARNA_PASSWORD=<YOUR_KLARNA_PASSWORD>
  KLARNA_TERMS_URL=<YOUR_KLARNA_TERMS_URL>
  KLARNA_CHECKOUT_URL=<YOUR_KLARNA_CHECKOUT_URL>
  KLARNA_CONFIRMATION_URL=<YOUR_KLARNA_CONFIRMATION_URL>
  KLARNA_LANGUAGE=<YOUR_KLARNA_LANGUAGE>

3. In medusa-config.js add the following at the end of the plugins array:

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  const plugins = [
    // other plugins...
    {
      resolve: `medusa-payment-klarna`,
      options: {
        backend_url: process.env.KLARNA_BACKEND_URL,
        url: process.env.KLARNA_URL,
        user: process.env.KLARNA_USER,
        password: process.env.KLARNA_PASSWORD,
        language: process.env.KLARNA_LANGUAGE,
        merchant_urls: {
          terms: process.env.KLARNA_TERMS_URL,
          checkout: process.env.KLARNA_CHECKOUT_URL,
          confirmation: process.env.KLARNA_CONFIRMATION_URL,
        },
      },
    },
  ]

Test the Plugin

1. Run the following command in the directory of the Medusa backend to run the backend:

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  npm run start

2. Enable Klarna in a region in the admin. You can refer to this User Guide to learn how to do that. Alternatively, you can use the Admin APIs.

3. Place an order using a storefront or the Store APIs. You should be able to use Stripe as a payment method.

Additional Resources

Klarna Plugin Documentation

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