Monitor SSL certificate expiry dates with Google Sheets & Slack alerts
UnknownUnknown. This template uses community nodes we can't verify statically. Uses community nodes that can't be verified statically (unverified community packages are off by default in 3.0). Static check, last run 2026-10-19.
What this workflow does
This workflow has 6 nodes and runs on a schedule (every week). Along the way it connects Google Sheets, Slack and Pdf Toolkit V2 (community).
How it runs
Trigger: On a schedule (every week).
- Get row(s) in sheet (Google Sheets): uses Google Sheets
- Check SSL (Pdf Toolkit): ssl check (web)
- Update row in sheet (Google Sheets): update
- Check Days Left Threshold (If): checks a condition and branches into true / false
- Send a message (Slack): uses Slack
Services it uses
Before you upgrade to n8n 3.0
We can't fully verify this one: it relies on 1 community package, and n8n 3.0 turns unverified community packages off by default (N8N_UNVERIFIED_PACKAGES_ENABLED=false).
- Check that @custom-js/n8n-nodes-pdf-toolkit-v2 is verified or supports 3.0 (used in Check SSL).
Nodes used (5)
- Google Sheets
n8n-nodes-base.googleSheets - Slack
n8n-nodes-base.slack - Schedule Trigger
n8n-nodes-base.scheduleTrigger - If
n8n-nodes-base.if - Pdf Toolkit
@custom-js/n8n-nodes-pdf-toolkit-v2.pdfToolkit
From the author
This n8n workflow illustrates how to monitor and track SSL certificate expiration dates for any domain using the SSL Checker node from customJS. It automatically updates a Google Sheet with the number of days left until expiry and sends a Slack notification…