What happens when you enter your credit card details online?

More than ever, people are buying things and services online. Thus, entering credit card details has become so common that nobody is questioning how it works. Do you know what happens next second when you enter credit card details and click the checkout button? How can the USA based SaaS charge your local bank account for the service?

At Hostinger I have spent quite some time making sure our payments work as smooth as possible for our customers in multiple countries all around the world. I'm going to share the things I learned in a nutshell!