3-D Secure is a protocol designed to be an additional security layer for online credit and debit card transactions. The name refers to the "three domains" which interact using the protocol: the merchant/acquirer domain, the issuer domain, and the interoperability domain

Acquirer - An entity that is a principal member of IPS and which provides acquiring services for merchants and/or other entities.

Acquiring - A range of services for payment execution and processing, conducted with the use of payment cards as part of the service provided to a merchant.

BIN (Bank Identification Number) - The first 6 digits of an card account number, which are used to identify the bank within the card payment system when processing transactions in authorization, clearing and settlement.

Business day - The day other than Saturday, Sunday or a bank/national holiday on which, at their place of residence, xpate, merchants, partners, correspondent banks, and credit/financial institutions, involved in payment process, are open for business.

Clearing - The process of exchanging detailed information on payment card operations between an acquirer and an issuer via IPS for further settlement on these operations.

COF (Credential On File) Transaction - Transaction under which a cardholder grants the permission to a merchant, payment facilitator, staged digital wallet operator or payment facilitator’s sub-merchant to store data associated with the payment card, which includes, but not limited to, payment card number, expiration date, payment token, and authorizes merchant to bill the cardholder’s stored credentials.

Descriptor - Identifier that contains the merchant/website name (or reflects the merchant’s “doing business as” name) and by which cardholders or other entities recognise the merchant.

E‐commerce transaction - Transaction conducted in the e-commence environment with the use of payment cards or payment methods when the payment card or the cardholder is not present.

Expiration date - Date in month/year format located on the obverse side of a payment card which determines the validity period and availability of the payment card for operations.

E-commerce Platform - A software that enables the commercial process of buying and selling over the internet. Most popular platforms:
• Shopify
• BigCommerce
• Magento
• WooCommerce
• Wix
• Big Cartel
• Squarespace

Gateway - A payment gateway processes online payments, authenticating and safely passing cardholder data among the parties within the transaction flow.

IPS (International Payment System) - International Payment System (Visa/Mastercard), including its subsidiaries and affiliates, acting as a global payment technology company that provides its products and services, including but not be limited to authorisation, processing, clearing and settlement of financial payments, as well as managing and processing particular information in connection with the payments.

Merchant - A merchant represents a person or company that sells goods or services. An eCommerce merchant refers to a party that sells goods or services exclusively through the internet.

MCC/MCG (Merchant Category Code/Merchant Category Group) - Four-digit identification number assigned to the merchant by the acquirer, in accordance with the classifications and requirements of Card Organisations, which characterises the primary business activity of the merchant.

Payment Card Industry Data Security Standard (PCIDSS) - The Payment Card Industry Data Security Standard is an information security standard used to handle credit cards from major card brands. The standard is administered by the Payment Card Industry Security Standards Council, and its use is mandated by the card brands

Payment card data - Data used to authenticate payment card issued to the cardholder, such as, but not limited to, PAN and expiration date, cardholder’s name and surname, CVV/CVC.

Payment card verification - Non-financial message that allows the merchant to confirm the validity of the payment card before executing an operation or saving COF data.

Recurring Transaction - A transaction in a sequence of transactions, which uses the stored card credentials (COF), where the cardholder’s consent entitles the merchant to perform future payments for the purchase of goods or services.

Refund - A transaction to return funds from a merchant to a customer starting from the next business day after the payment.

Reversal - A transaction of creation of a credit to a cardholder account before the completion of the business day.

RRN (Retrieval Reference Number) - A unique number of the transaction executed by using a payment card, which is assigned by the acquirer.

SEPA - The Single Euro Payments Area (SEPA) is a payment-integration initiative of the European Union for simplification of bank transfers denominated in EUR.

SEPA region - The SEPA zone consists of the 28 EU member states together with the four members of the European Free Trade Association (Iceland, Liechtenstein, Norway and Switzerland)

SEPA Credit Transfer (SCT) - payment method establishes a set of standards and guidelines for EUR credit transfers between banks in the SEPA zone.

SEPA Instant Credit Transfer (SCT Inst) - a real-time interbank money transfer service for payments denominated in EUR.

Settlement - Transfer of funds to the bank account indicated by a merchant for processed transactions and after deduction all fees and charges of xpate.

SWIFT

Wire transfer - an electronic transfer of funds made over a network administrated by banks and transfer service providers all over the world.

xpate portal - a front-end interface for the xpate customers (merchants) to access and manage their payment accounts and acquiring flows remotely via the Internet on the Company’s website.

xpate - xpate is a payment platform that offers a wide range of services to businesses. With our help xpaters can manage all their incoming and outgoing payments, settlements, ins and outs from a single platform. This makes it easy for you to pay vendors and employees using sales from today and manage your cash flow.

xpater - a partner of xpate that uses the xpate's product to fulfill its needs and achieve its goals