E-commerce sites totally team up with merchant acquirers , it's actually super common. These acquirers are the ones that help businesses take card payments online. So when a site works with one, it means customers can pay easily and safely. It keeps things running smoothly, helps stop fraud, and makes sure the site follows all the rules. Plus, it can even save money on fees. A lot of online stores either connect directly with these acquirers or go through payment gateways that do the job.