How a payment flows
The customer enters card details or taps a wallet like Apple Pay. The gateway encrypts the data and sends it to the payment processor and card network, the customer's bank approves or declines it, and the answer comes back to your checkout in a few seconds.
Gateway versus processor
The gateway is the secure connection at checkout. The processor moves the money between banks. Many providers, like Stripe, PayPal, Square and Shopify Payments, bundle both into one service.
What to compare
Look at transaction fees, supported payment methods, payout speed, fraud tools, how well it connects to your website platform and how disputes and chargebacks are handled.
Why Payment Gateway matters
Checkout is where sales are won or lost. A reliable gateway with familiar payment options builds trust and reduces abandoned carts, while high fees or poor fraud protection quietly eat into margins.
Adding the wallets customers wanted
An online gift shop only accepted card entry at checkout, and many mobile shoppers left before paying. Switching to a gateway that supported digital wallets let customers pay in a tap, and mobile checkout completion improved.
Common mistakes
Comparing headline fees only
Extra charges for international cards, chargebacks or currency conversion can add up. Compare the full cost for your typical orders.
Storing card data yourself
Handling raw card numbers brings heavy security requirements. Let the gateway store and tokenize payment details.
Too few payment options
Customers expect familiar methods like digital wallets. Missing them can cost sales, especially on phones.
Where we work on this