DigitalOcean Uptime is a monitoring service that checks the health of any URL or IP address. Use Uptime to monitor the latency, uptime, and SSL certificates of any website or host, and receive email or Slack alerts at thresholds you choose.
Uptime can check endpoints via HTTPS, HTTP, and ICMP, report on uptime status, latency, and SSL certificate expiry, and send alerts via email and Slack.