Banks and electronic payment gates

Search all banks and electronic payment gateway (only electronic banks)
Search points:
– Links to the websites of banks and electronic services around the world and classified by country
– Expansion of electronic payment gates for banks
– an example of sites that accept payment with such gates
– If you have more to clarify in this regard you can add as you like
Can you collect the points you are requested and clarify the mechanism of work of some of the payment portals