A retail sells their products on their Magento Commerce site and in physical stores, they want to give customers the ability to purchase and use gift…

The project's goal is to create a single, unified gift card system across two separate channels (Magento and a POS). This requires a comprehensive data integration strategy.
1. (C) Existing in-store cards and balances must be imported Into Magento: To allow customers to use their existing physical gift cards online, Magento must have a record of these cards and their current balances.
2. (A) Existing Magento cards and balances must be imported into the POS: Symmetrically, to allow customers to use existing online gift cards in physical stores, the POS system must be aware of those cards and balances.
3. (E) Gift card records in Magento and the POS must be synchronized: For the system to function reliably after the initial data import, any transaction (e.g., purchase, redemption, balance top-up) on any card must be communicated between the systems in near real-time to prevent fraud (like double-spending) and ensure a consistent customer experience. These three requirements form the complete and necessary foundation for the data integration portion of the project.

B. An additional payment method must be added to the Magento checkout While this is a necessary functional step for the project, it is a consequence of the core data integration (A, C, E). The fundamental requirement is to make the data available and consistent first.
D. Magento and the POS must share the same product catalog A gift card functions as a payment method or store credit. Its validity and balance are independent of the product catalog. A customer can use a valid gift card to purchase any item, regardless of whether the product catalogs are synchronized.

1. Adobe Commerce Developer Documentation

REST API - Gift Card Account: The existence of the Gift Card Account API

with endpoints like POST /V1/giftcardaccount and GET /V1/giftcardaccount/{giftCardCode}

confirms that Magento is designed to allow external systems (like a POS) to create

retrieve

and manage gift card data. This provides the technical basis for the required import (A

C) and synchronization (E) tasks.

Source: Adobe Commerce Developer Documentation

Web APIs

REST API Reference

giftCardAccount.

2. Adobe Commerce User Guide

Gift Cards: This guide explains that gift cards in Magento function as a payment method during checkout. This supports the context of option B but highlights that the underlying data must be present for the payment method to work

reinforcing the primacy of the data integration requirements (A

C

E).

Source: Adobe Commerce User Guide

Chapter 13: Sales

Section: Gift Cards.

3. General System Integration Principles: In enterprise architecture

when integrating two disparate systems that manage the same logical entity (in this case

a gift card balance)

the standard approach involves two phases: an initial

one-time data migration from each system to the other (to establish a common baseline)

followed by an ongoing

bi-directional synchronization mechanism to maintain data consistency. This principle

taught in university-level computer science and information systems courses

directly supports the necessity of requirements A

C

and E as a complete set.

Source: Gregor Hohpe & Bobby Woolf

Enterprise Integration Patterns: Designing

Building

and Deploying Messaging Solutions. Addison-Wesley Professional

2003. (This is a foundational text on the subject

widely used in academia and industry). Chapter 2: Integration Styles

and Chapter 6: Messaging Patterns.