Get started
Customization
Troubleshooting
- Embedded checkouts in WooCommerce
- Checkout blocks in WooCommerce
- Error codes
- Compatible plugins and themes
- Known compatibility issues
- Files to exclude from optimization
- Shipping Methods in iframe
- FAQ
- Optimizing your checkout when using an Iframe-based checkout
- Callbacks
- Troubleshooting the checkout flow
- Troubleshooting the Pay for order/Hosted Payment Page flow
- Troubleshooting WooCommerce Subscriptions and KCO
- Klarna Developer logs
- Pending payment orders and held stock