Auto-Draft a Purchase Order to Your Supplier When Shopify Stock Runs Low
Knowing you're low on stock is only half the job — you still have to reorder. This workflow watches inventory, calculates a smart reorder quantity from recent sales velocity, and drafts a ready-to-send purchase order email to the right supplier for each low SKU.
- 1
Check stock daily
A
Schedule TriggerandShopifynode pull inventory levels each morning. - 2
Find low SKUs and velocity
A
Codenode flags variants below their reorder point and estimates a reorder quantity from recent sales pace. - 3
Look up the supplier
A
Google Sheetsnode maps each SKU to its supplier, email and lead time. - 4
Draft the PO
Claudewrites a clean, professional purchase-order email with SKUs, quantities and requested ship date. - 5
Queue it to send
A
Gmailnode creates the PO as a draft to your supplier for one-click approval.
Frequently asked questions
How is the reorder quantity chosen?
It uses recent daily sales velocity times your lead time plus a safety buffer, so you order enough to cover the wait without over-ordering. All tunable in the Code node.
Can it send automatically?
It drafts by default so you keep control of spend. Flip the Gmail node to 'send' once you trust the quantities.
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