--- title: Payment Processing 101 description:The payment process can be a bit confusing. Find out exactly what happens between the moment a transaction begins to the moment it's complete. keywords:citi merchant services, solutions, learn, payment, credit card, merchant ---

Payment Processing 101

Payment processing made simple.

The payment process can be a little confusing at first. So here's a quick breakdown of a typical in-store transaction between a consumer and a merchant. Simply click on each icon to learn more.