Nope. It&#x27;s shady as it comes and to my knowledge works via normal HBCI&#x2F;FinTS access [0] you usually would use for 3rd party online banking software.<p>But lacking wide spread of credit cards and the aversion of many merchants to PayPal here in Germany it&#x27;s still pretty popular.<p>[0] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;FinTS" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;FinTS</a>