SSL Monitoring for Businesses
Monitor all your domains and subdomains from a single dashboard. Hourly checks, instant alerts, webhook integrations, and full API access - all for just 99p per month.
Start Monitoring with ProMonitor All Your Domains in One Place
Whether you manage 5 domains or 500, Free SSL Tester Pro gives you a centralised view of every certificate across your infrastructure. No more spreadsheets, no more forgotten renewals, no more 3am emergencies.
Unlimited Domains
Monitor every domain and subdomain your business operates. Add new ones as you grow - no extra charge.
Hourly Checks
Certificates are verified every hour, so you know about problems within 60 minutes - not 24 hours.
Email Alerts
Customisable expiry alerts from 30 days out. Receive recovery notifications when certificates are renewed.
Webhook Integrations
Send certificate events to Slack, PagerDuty, or your own systems via configurable webhook endpoints.
API Access & Developer Tools
Integrate SSL monitoring into your existing workflows. Our REST API lets you manage domains, query certificate status, and build custom dashboards. Export certificate history as CSV for compliance and auditing.
- Full REST API with token-based authentication
- Webhook notifications for real-time integration
- CSV export for certificate history and compliance
- Certificate chain details and issuer information
All of this for just 99p/month
Unlimited domains, hourly checks, full API access, and more.
Start Monitoring with ProFrequently Asked Questions
How many domains can I monitor with the Pro plan?
The Pro plan includes unlimited domains and subdomains. You can monitor as many certificates as your business needs for just 99p per month.
Does Free SSL Tester have an API?
Yes, Pro users have full API access to manage domains, retrieve certificate status, and integrate SSL monitoring into their existing workflows and CI/CD pipelines.