Updated: 03 October 2022
Access Control Server (ACS)
A service either hosted or related to the Issuing bank. Responsible for issuing challenge URLs and generating device fingerprints.
Account servicing payment service provider.
A 3D Secure MPI provider.
CVV or CCV
Credit card security code.
European Banking Authority
European Economic Area
EMV payment method
A merchant account is a type of bank account that allows businesses to accept payments by debit or credit cards. When a customer pays for your product or service with a card, the funds are first deposited into a merchant account before being transferred to a business bank account.
Mail Order Telephone Order.
Merchant plug-in https://en.wikipedia.org/wiki/Merchant_plug-in
PayPal (aka “PayPal Business”), AmazonPay, ApplePay, Credit Card, Debit Card.
Payment Method Nonce
One time reference to a payment method stored in a Vault. Possibly has an expiration time.
Payment Method Token
Tokenised Credit Card data and device fingerprint. References a payment method stored in a Vault. This token can be used to create transactions without the PCI compliance burden that comes with handling unencrypted data.
Strong Customer Authentication. Banks will decline payments that require SCA but have not gone through authentication.