E-commerce & Dropshipping · n8n

Draft Purchase Orders Automatically When Warehouse Stock Runs Low

Keep shelves stocked without spreadsheets — when inventory dips below its reorder point, auto-draft a purchase order to the right supplier for review.

difficulty Intermediatesetup 40 minresult Low stock triggers a ready-to-send purchase order, preventing stockouts while keeping a human in control.—
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  1. 1

    Schedule Stock Checks

    Add a Schedule Trigger running daily over your inventory sheet.

  2. 2

    Find Items Below Reorder Point

    Add a Code node selecting SKUs whose stock has fallen below their reorder threshold.

  3. 3

    Group by Supplier

    Add a Code node grouping the low items by supplier so each PO covers one vendor.

  4. 4

    Draft the PO

    Add a Gmail node creating a draft purchase order per supplier with SKUs and reorder quantities for your approval.

  5. 5

    Activate and Test

    Activate the workflow and set a test SKU below its reorder point. Confirm a supplier-specific PO is drafted.

Frequently asked questions

Why draft instead of auto-send?

A quick review prevents ordering against a data glitch and lets you adjust quantities for promotions or seasonality.

Can it factor in lead times?

Yes — set reorder points based on each supplier's lead time so stock arrives before you run out.

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