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Klarna On‑Site Messaging logo

Klarna On‑Site Messaging

Develop by Shopify
Free plan available

Convert more sales with flexible payment option messaging.

Increases conversions
Customized messaging
Promotes bnpl
Personalized promotions
Extends order data

About Klarna On‑Site Messaging

Launched Jun 09, 2019

Categories

Built by Shopify

Address

Leona Czarlińskiego 19, Torun, 87-100, PL

Website Support Portal Privacy policy Tutorial FAQ Document
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Introduction Video

Description

Convert more sales with flexible and customized On-site Messaging about Klarna as a payment method.

This app is for merchants with an active Klarna Payments integration. Note: this app will not add Klarna as a payment method. Use this app to boost your business with messaging that lets your shoppers know that Klarna is an available payment option throughout the entire shopping journey.

This app is for merchants with an active Klarna Payments integration. Note: this app will not add Klarna as a payment method. Use this app to boost your business with messaging that lets your shoppers know that Klarna is an available payment option throughout the entire shopping journey. more
  • Promote the availability of payment options like Klarna and increase sales.
  • Customize and personalize your messaging to maximize conversions.
  • Optionally extend order data sharing.

Pros

  • Customizable messaging options ranging from banners to personalized promotions on product, cart, and other pages
  • Potential to increase sales by highlighting Buy Now Pay Later (BNPL) options during the shopping experience
  • Availability of a dedicated support team for user assistance
  • Promotes flexible payment options like Klarna which can attract different customer segments
  • Can lead to more conversions at checkout by informing customers about payment flexibility early in their shopping journey
  • Capability to prevent inventory oversells through extended order data sharing

Cons

  • The app's effectiveness is contingent upon Klarna being active as a payment method at checkout, which requires prior setup
  • Customization options might require additional configuration efforts
  • Potential dependencies on Klarna’s service quality and availability, which can affect the overall user experience
  • Customers might be hesitant or wary of BNPL options due to concerns about over-leveraging or additional fees

Top Helpful Reviews

Atom Airsoft

Jan 28, 2026  on Shopify

Great way to advertise Klarna monthly payment plan on product page. Works nicely and automatically with Shopify Payments Klarna payment method. Took one star off as it lacks the ability to change if the text for the placement "credit-promotion-auto-size" is left, center or right. By default it is at center but for our store text to the left would've resulted in cleaner look.

MONORIM© SPAIN

Nov 14, 2025  on Shopify

son unos impresentables, llevo mas de un mes diciendo que necesito cambiar la cuenta y no hay forma envie 400 correos , 3000 llamadas y no son capaces de cambiar la cuenta ni de bloquear los pagos. Me deben mas de 4 pagos ya que les llevo avisando mas de un mes.

Le Bucket

Oct 04, 2025  on Shopify

I am unable to customize the colors of “Credit Promotion Auto Size,” even after writing to Klarna's support team and Shopify contacting them on my behalf as requested by Klarna. Furthermore, I must mention that the “customize” button does not function.

FrigginJewelry.com

Sep 29, 2025  on Shopify

Errors upon installing the app and connecting it to MID. Unusable at the present. I've uninstalled, re-installed and attempted to re-integrate it many times.

GlintBot

Sep 05, 2025  on Shopify

Useless application, unable to display the dynamic payment badge multiple times, the support is completely useless.

Ethical Bedding™

Aug 15, 2025  on Shopify

Glitchy. Not easy to uninstall (try to lock you in). High fees for what it is. Seems impossible to: 1. Remove the payment option from checkout 2. Remove banner from product pages AVOID.

The Swiss Neon

Aug 04, 2025  on Shopify

I’ve spent the last 10 years wiring payment gateways, PSPs, wallets and BNPL providers into ecommerce stacks. Klarna has been, by far, the worst experience I’ve had—both technically and with support.

The Gathershop

Jun 14, 2025  on Shopify

WARNING! Do not use Klarna with Shopify payments! If a customer reports a return in Klarna it automatically comes through as a dispute due to a Shopify error. Even after providing the evidence with a dispute they are always automatically 'lost' because it isn't a real dispute (but created by a software error) Check this community thread for people loosing hundreds or even thousands due to this issue https://community.shopify.com/c/payments-shipping-and/shopify-opens-disputes-for-returns-via-klarna-payments/m-p/2824337 Shopify support claim nothing can be done from their end about 'disputes' although it is their error that creates it. On our store Klarna as an independent payment platform does not create this issue, it is specifically related to it being used with Shopify payments.

Casapatio.shop

Jun 06, 2025  on Shopify

Do not waste your time. The application was working with some errors, for example it did not appear if the product was more than 1500 euros. But it was working. Suddenly it has disappeared from the web. In the template it appears but then it does not appear on the web. The application tells me that I have vintage mode but I have a 2.0 theme. Has anyone been able to contact support to fix anything it is impossible. Anyway run away while you can.

BibleSketchesUK

Jun 04, 2025  on Shopify

UPDATE: Since writing the review below, I have now had further communication and a solution from Klarna. The app was installed twice; once within Shopify, and again within the Klarna Portal. No idea how or why that happened as they appear as one and the same to thing to a new user with no previous experience, but this was causing my issue. I was contacted by Nicole from Klarna support after reading my review below. I'm glad it is sorted but frustrated that I had to waste time with 2 agents over chat, (who did not give a solution) and then write a review, just to get the help required. It was actually very simple to fix if only you knew it was an issue in the first place. But I appreciate Nicole reaching out and taking the time to understand the problem, and following up with clear instructions that resolved my problem. ---------------- As others have reported, there is clearly an issue with this app and Shopify. I've followed all instructions and still can not get the thing working. When support eventually respond, it's a standard robotic line of 'we can see you have successfully connected your store...' - Which is true, but it is not displaying the Klarna on site-messaging, and therefore it is not working. No assistance, you just get pointed you back to the instructions. very disappointing service from what should be a great solution. And please do not reply stating it's working, its not. It's connected, but not working.

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