This n8n workflow automates the process of monitoring SSL/TLS certificate expiry dates across multiple domains. It periodically checks certificates using an external API, and if any are nearing expiration within a specified timeframe (such as 30 days), it sends an immediate alert to a designated Slack channel. The workflow includes scheduled triggers, API calls, conditional logic to identify certificates about to expire, and Slack notifications. This automation helps system administrators, DevOps teams, and website owners proactively manage their certificates, avoiding downtime and security warnings. It’s a practical solution for maintaining optimal security and uptime by ensuring timely certificate renewals.
SSL Certificate Expiry Monitoring with Slack Alerts
| Node Count | 6 – 10 Nodes |
|---|---|
| Nodes Used | code, httpRequest, if, scheduleTrigger, slack, stickyNote |
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