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Guide

Customer data requirements for authorize()

This section describes the customer data we require to place an order, depending on the purchase country.

Payments

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Check the details of a customer token

Use the Klarna payments API to check the status and details of the payment method linked to a customer token.

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Payments

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Automatic capture

Auto-capture finalizes transactions immediately for certain categories like digital products. It requires setting "auto_capture": true in the order request, complying with Klarna's shipping policy for merchant protection.

Payments

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Post-purchase

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Prepare your integration in-store

Learn about the prerequisites to enable Klarna Payments in your physical store.

Payments

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Authorization callback

To ensure optimization of the conversion rates, you should get an authorization token through a server-side callback.

Payments

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Webhook

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Klarna deals promotions

Incentivize Klarna shoppers and boost conversion with an auto-applied deal on your site that is seamless to use.

Payments

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Conversion boosters

Media & Marketing

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Monitor the status

Learn how to monitor the distribution status of an in-store payment.

Payments

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Cancel a payment

You can cancel an ongoing payment session before the customer completes the payment.

Payments

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Standalone in-store solution

Start accepting Klarna payments in-store without the need for extra hardware.

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Payments

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On-site messaging Placements

Here you can find technical details about the placements of the messaging assets.

Conversion boosters

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Customize placements with CSS

This guide provides instructions on how to style the On-site messaging placements that appear on your pages through CSS to align them with the look and feel of your page.

Conversion boosters

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Hosted Payment Page - iOS

If the recommended integration approach of Klarna Mobile SDK is not possible, the guide below will guide you through how to integrate the Hosted Payment Page in your mobile app without the Mobile SDK.

Mobile

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Payments

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What is Klarna payments?

Read this article for an introduction to Klarna payments, its place in the Klarna product family, and payment scenarios it supports.

Payments

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Finalize an authorization

Use the Klarna JavaScript SDK to finalize an authorization.

Payments

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Shipping fees

Transparency in costs, including shipping, is key to maintaining trust with your customers and ensuring compliance with Klarna's guidelines.

Payments

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