Shopify counts units. IEMSuite tracks the lots, costs, and production behind them, inside your Shopify admin, synced both directions.
Orders arrive via HMAC-verified webhooks with idempotency guards, so a retried webhook never double-processes anything. Stock changes flow back to the storefront: what customers see is what the warehouse has.
Allocation locks the source lot at the database level. When two orders race for the last unit, exactly one wins and the other fails cleanly - instead of both succeeding and support inheriting the mess.
Each order's COGS comes from the actual lots that fulfilled it, frozen at allocation. You see which SKUs, channels, and orders actually make money - before the quarterly spreadsheet ritual.
If your brand manufactures its own products, the production side is already here: recipes, batches that consume ingredient lots, QC gating before anything ships, and batch costs from real consumption. The storefront and the workshop finally share one source of truth.
See Manufacturing & BOMLot-level inventory, no-oversell allocation, and per-order margins inside Shopify.
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