Free uptime monitoring for websites and APIs with 5-minute checks and email alerts
Automated SSL certificate expiration alerts via email, Telegram, Slack or webhook
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
FR
Pricing model
Free
Freemium
Pricing
Not given
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.
Key features
URL and API uptime monitoring with configurable 1–60 minute intervals
Email down and recovery alerts
SSL certificate expiry warnings at 30 and 7 days
Public status pages
Ping history and uptime analytics
Maintenance window scheduling
Webhook URL configuration for status changes
Team management
Repeat reminder alerts for ongoing downtime
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
What makes it different
Completely free with no credit card required
Monitor any HTTP endpoint including websites, APIs, and health checks
Public status pages with no login required
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
Monytra
SSL Expiration Reminder