Track inventory levels with automated alerts

by Manu ✓ · 35 views · created 2026-02-02 · Project Management

What this workflow does

This workflow has 25 nodes and runs when an HTTP GET request hits its webhook URL (plus 1 other trigger). Along the way it connects Slack and Gmail.

How it runs

Trigger: When an HTTP GET request hits its webhook URL (plus 1 other trigger).

1. Validate Movement (Code): runs custom JavaScript code
2. Format Error (Code): runs custom JavaScript code
3. If: checks a condition and branches into true / false
4. Slack: uses Slack
5. Prepare API Body (Code): runs custom JavaScript code
6. Format Validation Error (Code): runs custom JavaScript code
7. API - Record Movement (HTTP Request): calls an HTTP API
8. Respond - Validation Error (Respond to Webhook): sends the response back to the webhook caller
9. API - Get Current Stock (HTTP Request): calls an HTTP API
10. Check Stock Levels (Code): runs custom JavaScript code

…plus 12 more steps. See the full node list below.

Services it uses

SlackGmail

Before you upgrade to n8n 3.0

Nodes used (10)

• Webhookn8n-nodes-base.webhook
• Coden8n-nodes-base.code
• Ifn8n-nodes-base.if
• Respond to Webhookn8n-nodes-base.respondToWebhook
• HTTP Requestn8n-nodes-base.httpRequest
• Switchn8n-nodes-base.switch
• Slackn8n-nodes-base.slack
• Gmailn8n-nodes-base.gmail
• No Operation, do nothingn8n-nodes-base.noOp
• Error Triggern8n-nodes-base.errorTrigger

From the author

Receive inventory movements via webhook, validate data, update stock levels, and trigger automatic alerts when products need reordering. WHAT IT DOES: Accepts inventory movements (sales, purchases, adjustments, transfers) via webhook Validates required fields…

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