Glossary · Law and compliance
3-D Secure— what it means in affiliate marketing
An extra authentication step on card payments, confirming the payer with the issuing bank.
It moves chargeback liability from the merchant to the issuer, and it costs conversion at the checkout. High-risk merchants therefore argue about where to apply it rather than whether to.
Related terms
| Term | Definition |
|---|---|
| Billing | The side of the business that invoices and takes money: charging the card, retrying failures, handling refunds. |
| Acquiring | The service that lets a merchant accept card payments — the account, the gateway and the risk assessment behind them. |
Entry updated 29 July 2026. All 276 terms in one page.
