🔧 Route low-stock inventory alerts from Google Sheets to Slack

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Description

Quick overview

This workflow runs every morning to read inventory levels from Google Sheets and post low-stock or out-of-stock alerts to a Slack channel, including supplier contact details, then updates the sheet to avoid repeating the same alert on the same day.

How it works

  1. Runs daily at the scheduled time.
  2. Reads all inventory rows from a Google Sheets document.
  3. Calculates each item’s stock status (healthy, low_stock, or out_of_stock) and checks whether it was already alerted today.
  4. Skips healthy items and anything already alerted today.
  5. Posts an urgent Slack message for out-of-stock items or a lower-urgency message for low-stock items, including supplier contact details.
  6. Updates the Google Sheets row to set last_alert_date to today’s date so the item is not alerted again until the next day.

Setup

  1. Add Google Sheets OAuth2 credentials and set the Sheet ID and sheet name (default: Inventory) in the configuration values.
  2. Add Slack credentials and set the target Slack channel ID in the configuration values.
  3. Ensure your Google Sheet includes the required columns: row_id, item_name, current_stock, reorder_threshold, unit, supplier_name, supplier_contact, and last_alert_date.
  4. Adjust the schedule trigger time to match when you want the daily inventory check to run.

🔗 Nodes Used

Google Sheets, Slack, Schedule Trigger, Filter

📥 Import

Download workflow.json and import into n8n: Workflow menu → Import from File

📖 Importing guide · 🔑 Credential setup