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Technical and Integration

  • What's the relationship between Sofort and Klarna?
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  • 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?
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