When a brand sells on both Amazon and Shopify, inventory desynchronization is the most expensive recurring problem: an FBA sale that doesn't decrement Shopify inventory leads to overselling, cancelled orders, and negative reviews. Connecting Amazon Seller Central to Shopify via Make or n8n creates a real-time inventory bridge — every fulfilled Amazon order triggers a quantity adjustment on the matching Shopify variant, and new Shopify orders can optionally trigger an FBA fulfillment request. The integration also handles order-status sync, so customer-facing fulfillment emails in Shopify reflect the actual Amazon tracking number. Most teams use Make for this because its Amazon SP-API module handles the OAuth complexity; setup takes 45–90 minutes and requires matching SKUs across both platforms before enabling the sync.
Note: We've identified 3 known limitations with this integration.
See known limitations below for details.