haveibeenexpired
Monitors SSL certificates and alerts you before they expire — supports Slack, Discord, and email notifications
| What is it | Monitors SSL certificates and alerts you before they expire — supports Slack, Discord, and email notifications |
|---|---|
| Pricing | Freemium — from $10/mo |
| Free tier | Yes |
| Platform | Web Application |
| API | Yes |
| Best for | Preventing website downtime from expired SSL certificates, Monitoring certificate renewals across multiple domains |
| Domain registered | 2021 |
Data updated Aug. 1, 2026
What does haveibeenexpired do?
haveibeenexpired is a specialized monitoring service that keeps track of SSL certificate expiration dates across your domains and infrastructure. It continuously checks your live SSL certificates and sends alerts well before they expire, helping you avoid website downtime and security warnings. The service works by regularly scanning your specified domains and using Certificate Transparency logs to automatically discover all hosts that need monitoring.
What sets haveibeenexpired apart is its automatic certificate discovery feature, which finds all hosts associated with your domains without manual configuration. The system provides configurable notification thresholds and delivers alerts through multiple channels including Slack, Discord, email, and webhooks. The dashboard gives you a centralized view of all your certificates with their current status and expiration dates.
This tool is particularly valuable for DevOps teams, system administrators, and web developers managing multiple websites or applications. It's useful for everything from side projects to enterprise environments where SSL certificate management is critical for maintaining site availability and security. The free tier offers unlimited host monitoring, making it accessible for projects of all sizes.
Key features
What makes it stand outWho is haveibeenexpired for?
Who benefits most from this toolPricing
Free tier available — start without a credit cardFree
- up to 14 days apart check frequency
- Unlimited host monitoring
- Automatic host discovery
- Adaptive check scheduling
- Alert notifications
- Summary dashboard
Pro
Everything in Free, plus:
- Continuous monitoring
- Instant notifications
- Live dashboard updates
- Priority support
Trust & presence
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