Glossary of Terms



API  Application Programming Interface for implementation of the myPOS Checkout system in the merchant e-commerce application.
Wallet Number (Client Number) Uniquie Identifier given automatically by the system when the merchant creates an account.
myPOS Account number Unique Identifier for the Business Account of the merchant.
Checkout store ID Unique Identifier for any online store (website/app) of the merchant which will use the myPOS Checkout  API as a payment method.
PAN Unique payment card number, which identifies the Issuer and the particular cardholder account.
Call Call by the merchant’s e-commerce system to myPOS Checkout API.
Card Validation Code (CVC) or Card Verification Value (CVV) Three digits encrypted in the magnetic stripe on the back of the card. This is used as a method of verification during credit card processing.
Request   Query or request from the merchant e-commerce system to myPOS Checkout  API
Response  Response from myPOS Checkout  API to a Call from the e-commerce system.
3-D Secure™ (3DS)  Technical standard developed by Visa, MasterCard and JBC, designed to combat online credit card fraud. Cardholders who have registered for Verify by Visa®, MasterCard SecureCode® or J/Secure® use their password to validate their identity whenever they make a purchase on a participating site.
XML   XML (Extensible Markup Language) is a generally available data format which myPOS Checkout API uses for comfortable exchange with other systems.

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