Choose a payment processor or merchant account provider
Set up a business bank account
Apply for a merchant account if required
Complete identity and business verification
Select a payment gateway for online payments
Integrate the payment system with your website, app, or POS
Ensure PCI DSS compliance
Enable card-present and/or card-not-present payment methods
Test transactions before going live
Set up fraud prevention and chargeback controls
Configure refund and dispute handling processes
Start accepting Visa, Mastercard, American Express, and Discover
Monitor transactions and reconcile deposits regularly