IIRC Ebay uses Adyen. I think Paypal uses Trustly in some significant markets. I don't know why they didn't show up early in your research, as they are among t

IIRC Ebay uses Adyen. I think Paypal uses Trustly in some significant markets. I don't know why they didn't show up early in your research, as they are among the most well known and easy to find. Ingrid is lesser known and mostly active in e-commerce in the european markets.