POS Integration Overview Point-of-sale integration connects your physical retail operations with your online store, enabling unified inventory visibility, centralized order management, and consistent customer profiles across channels. When a customer buys in-store, the online store must reflect the updated inventory immediately; when they return an online order in-store, the refund must flow back to the payment gateway. This skill covers connecting Square and Shopify POS to your commerce platform, synchronizing inventory in real time, and handling cross-channel returns. When to Use This Skill…