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Payment Gateway: What it is and how it works | PayOk

Payment Gateway: What it is and how it works | PayOk

A payment gateway is much more than the checkout form where a customer enters their card details. It is the technical and cryptographic bridge connecting your online store with the customer's bank, card networks, and clearing houses. Truly understanding how it works allows you not only to optimize conversion rates, but also to reduce fraud, effortlessly stay compliant with regulations, and make provider decisions based on real data rather than sales promises.
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Virtual POS: technical guide and conversion at PayOk

Virtual POS: technical guide and conversion at PayOk

Friction at the checkout destroys margins. If your gateway rejects legitimate operations, settles at T+7 (depending on risk), or your integration does not comply with PSD2 and PCI-DSS v4.0, you are paying an invisible tax on every euro you invoice. As the CEO of an entity regulated by the Bank of Spain, I process transactions daily. What I write here is what works and what destroys margins in production.
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