Technical and Integration
- What's the relationship between Sofort and Klarna?
- When should I select a "Classic" project and when should I select a "Gateway" project?
- I received the error message "8001". What does this mean?
- Where do I find the modules for my shop system and the related integration manual? How is my shop system supported?
- Is it also possible to receive payments in other currencies?
- Why do I receive the error "wrong project or customer ID"?
- Why do I not get a confirmation after a successful transaction?
- Where do I find the API / configuration key?
- Why is direct banking not available for live operation yet?