How to take payments in an online store and what it costs. The articles go through payment methods one by one — BLIK, cards, pay-by-link bank transfers, wallets such as Apple Pay, buy now pay later (PayPo, Klarna), cash on delivery — and compare gateway fees (PayU, Przelewy24, Tpay, Stripe) including payout charges and the fixed per-transaction fee that decides the bill on a small basket. They also cover PCI DSS when you accept cards, recurring payments in subscription products, and the checkout where shoppers abandon their cart. For store owners. Start with payment gateway fees compared.






