Krokedil Documentation

  • Airmee for WooCommerce
  • Avarda Checkout for WooCommerce
  • Budbee for WooCommerce
  • CargonizerConnect
  • Dintero Checkout for WooCommerce
  • Ingrid Delivery Checkout for WooCommerce
  • Instabox for WooCommerce
  • Klarna for WooCommerce
  • Krokedil general support info
  • Krokedil Shipping Connector
  • Kustom Checkout for WooCommerce
  • Nexi Checkout
  • Partial Delivery for WooCommerce
  • Post Purchase Upsell for WooCommerce
  • ProTeria CloudConnect for WooCommerce
  • Qliro for WooCommerce
  • Qvickly Checkout for WooCommerce
  • Returns and Withdrawals
  • Specter for WooCommerce
  • Swedbank Pay Payment Menu
  • TrueLayer for WooCommerce
  • Walley Checkout for WooCommerce
  • Zaver Checkout for WooCommerce

Support

Create support ticket (English)

Skapa supportärende (Svenska)

  • Airmee for WooCommerce
  • Avarda Checkout for WooCommerce
  • Budbee for WooCommerce
  • CargonizerConnect
  • Dintero Checkout for WooCommerce
  • Ingrid Delivery Checkout for WooCommerce
  • Instabox for WooCommerce
  • Klarna for WooCommerce
  • Krokedil general support info
  • Krokedil Shipping Connector
  • Kustom Checkout for WooCommerce
  • Nexi Checkout
  • Partial Delivery for WooCommerce
  • Post Purchase Upsell for WooCommerce
  • ProTeria CloudConnect for WooCommerce
  • Qliro for WooCommerce
  • Specter for WooCommerce
  • Swedbank Pay Payment Menu
  • TrueLayer for WooCommerce
  • Walley Checkout for WooCommerce
  • Zaver Checkout for WooCommerce
  • Support
Home » Klarna for WooCommerce » Get started » Technical information
Get started
  • Install and activate
  • Technical info
  • Changelog
  • Support
Setup and configuration
  • Configuration
  • Order management
  • Recurring payments
  • Manually adding an order / Pay for order
  • Sell in multiple currencies
  • Optimizing your checkout when using an Iframe-based checkout
  • Compatible plugins and themes
  • Klarna Express Checkout
  • Sign in with Klarna
  • Klarna On-site messaging
Customization
  • Actions & filters
  • Change Language Displayed in Klarna Payments
  • Extra Merchant Data (EMD)
Troubleshooting
  • FAQ
  • Error codes
  • Callbacks
  • Known compatibility issues
  • Compatible plugins and themes
  • Files to exclude from optimization
  • Troubleshooting order emails
  • Troubleshooting the checkout flow
  • Troubleshooting the Pay for order/Hosted Payment Page flow
  • Troubleshooting WooCommerce Subscriptions and Klarna
  • Klarna Developer logs
  • Pending payment orders and held stock

Technical information

Last modified:

February 10, 2026

Plugin version: 4.13.1

Last updated: 14 September, 2026

  • Fix – Added origin and nonce verification to the Sign in with Klarna sign-in endpoints. Reported by Ilyess Ghalem of Fraudless.tech (https://fraudless.tech).
  • Fix – Improved capability checks for admin actions.

View complete Changelog

Tested with

WordPress version: 7.1

WooCommerce version: 11.1.0

Requires at least

WordPress version: 6.7

WooCommerce version: 5.6.0

PHP version: 8.0

Krokedil Documentation

Krokedil makes online business easy by offering a range of plugins that extends WooCommerce and connects your store to different eCommerce tools and providers.

Krokedil

Products

Blog – tips, tricks and news

Partners

Work with Krokedil

Support

Create support ticket
(English)

Skapa supportärende
(Svenska)

© 2025 Krokedil Documentation · Powered by WordPress and Ollie