Automated SSL certificate expiration alerts via email, Telegram, Slack or webhook
Catch silent failures in n8n, Make, Zapier and AI-agent workflows
Stage
Not given
Startup
Founded
Not given
Not given
Based in
FR
UA
Pricing model
Freemium
Freemium
Pricing
Free: 0€/month with 3 domains; Pro: 9€/month or 99€/year with 25 domains; Agency: 29€/month or 319€/year with 150 domains. Annual plans offer one month free.
Free: $0/month, 5 monitors. Pro: $12/month or $120/year (save $24). Team: $29/month or $290/year (save $58).
Key features
Daily certificate verification
Email, Telegram, Slack and webhook notifications
Customizable alert timing at 30, 15, 7, 5, 3 or 1 day before expiration
CSV import and export
Multiple recipients with domain-level assignment on Agency plan
Weekly and monthly email reports on paid plans
REST API for domain management on Agency plan
Invalid certificate alerts
Heartbeat monitoring with customizable grace period
Output validation for non-empty, valid JSON and required keys
Forbidden phrase detection in output
Alerts via email, Slack, Discord or Telegram
Recovery notifications
Last 50 pings per monitor
Explicit failure reporting with /fail endpoint
Start tracking with /start endpoint
What makes it different
No server installation required, reads certificates like a browser would
Free plan supports up to 3 domains without requiring a credit card
Combines automatic renewal alerts with notifications for failures that don't trigger alerts
Suitable for agencies managing client sites with per-domain recipient control
SSL Expiration Reminder
Flowhush