The Iyzico payment library is it. But there is derece any types so how dirilik i use this library on my node.js typescript express backend project? Might have to convert unicode into düzgülü ascii to work. BUT, as the linked article says... this shouldn't be used in a production environment. https://case.edu/cgi-bin/newsline.pl?URL=https://kuikpos.com.tr/blog/link-ile-odeme-nedir