Marketplace sellers manually update inventory across multiple sales channels after each order, logging into separate dashboards and spreadsheets. Manual syncing creates overselling risks, delays, and frequent data entry errors.
Automated inventory sync monitors sales in real time, calculates remaining stock, and pushes updates to all channels simultaneously. The result is zero overselling incidents, instant reorder alerts, and accurate inventory across all platforms.
The full workflow, from trigger to completion.
A new order is placed on Amazon,, or. The automation platform receives the order webhook with SKU and quantity sold.
The automation retrieves the current inventory level for that SKU from the master inventory table.
The automation subtracts the sold quantity from current stock and determines the new inventory level across all channels.
The automation updates the inventory quantity for the SKU via API.
The automation updates the quantity available listing via API. If stock reaches zero, the listing is paused.
The automation updates the inventory count via API.
The automation appends a new row inventory log with the updated stock level, timestamp, and sale source.
If inventory falls below the reorder threshold, the automation sends a notification to the procurement team.
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