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Send SAP Business One low stock alerts via WhatsApp and email

by Taseeb Saeedadapted from n8n official workflow galleryUpdated Aug 2026
RequiresCCodeHTTP RequestHTTP RequestSend EmailSend Email
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ScEvery 6 Hours TriggerEvery 6 Hours T…HRPost to SAP B1 LoginPost to SAP B1 …HRGet Low Stock ItemsGet Low Stock I…CoExtract Items with Low StockExtract Items w…IfCheck for Low Stock ItemsCheck for Low S…DTLookup Previous AlertsLookup Previous…CoDetermine New Alert NeedDetermine New A…IfCheck Alert NecessityCheck Alert Nec…SePrepare Alert MessagePrepare Alert M…HRPost to SAP B1 LogoutPost to SAP B1 …HRPost WhatsApp AlertPost WhatsApp A…MeMerge Alert OutputsMerge Alert Out…ESSend Email NotificationSend Email Noti…DTSave Alert Status in TableSave Alert Stat…12345678910111213141516
1/5
STEPS · 16
Runs on a schedule

Quick overview This workflow polls SAP Business One every 6 hours for active, unfrozen items whose on-hand quantity is below the minimum inventory level, then sends de-duplicated low-stock alerts via WhatsApp (Meta API) and email, storing the last-alerted quantity in an n8n Data Table to prevent repeated notifications. How it works Runs every 6 hours on a schedule. Logs in to SAP Business One Service Layer and queries the Items endpoint for valid, non-frozen items where QuantityOnStock is less than MinInventoryQuantity. Splits the SAP response into one item per record and skips the alert flow if no items are returned. Looks up each item’s previous alert state in an n8n Data Table and only continues if the item has never been alerted before or its stock has dropped further since the last alert. Formats a WhatsApp message and an HTML email (including an “out of stock” message when QuantityOnStock is 0). Sends the alert via the WhatsApp Business Cloud API (Meta Graph API) and via SMTP email, then upserts the latest alerted quantity to the Data Table. Logs out of SAP Business One.

Tags

n8nreference-onlyemail-send
Connects
CCodeWHTTP RequestsendemailSend Email
CategoryEmail Send
Triggermanual
Complexitycomplex
Nodes14
AddedJun 30, 2026

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