Automated SSL certificate expiration alerts via email, Telegram, Slack or webhook
Stage
Not given
Not given
Founded
2022
Not given
Based in
US
FR
Pricing model
Freemium
Freemium
Pricing
Free tier on every product. Uptime monitoring from free (100K checks/month) to $750/mo (50M checks/month). Cron monitoring free (25 monitors) or unlimited with any paid plan. Synthetic monitoring from free (100 minutes/month) to $350/mo (20,000 minutes/month). Telemetry from free (1 GB/month) to $50
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
Uptime monitoring with HTTP, TLS, and DNS checks
Configurable check frequency as fast as every 30 seconds
Cron job monitoring to catch missed, late, or failed scheduled jobs
SSL and domain expiration monitoring
Synthetic monitoring with Playwright-powered browser flows
Distributed tracing with native OpenTelemetry ingestion
Real user monitoring with Core Web Vitals and session replay
Incident management with on-call schedules and escalation policies
Public status pages with custom domains and incident history
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
Alert logic that retries failures before notifying to eliminate false alarms
Transparent per-product pricing with free allocations on every product
Single integrated platform for uptime, logs, metrics, traces, RUM, and incident response
Built on open standards with native OpenTelemetry support and REST API
Real support from the team that built the product, not tiered queues
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
Site Qwality
SSL Expiration Reminder