Updown.io

Updown.io is a simple, reliable, and affordable uptime-monitoring service that checks site availability via HTTP(S), TCP, ICMP, and alerts you to issues.

Updown.io

Updown.io offers developers and website owners a straightforward monitoring tool that regularly checks your services—whether websites, APIs, or servers—for downtime, slow responses, or SSL problems. It supports multiple protocols (HTTP, HTTPS, TCP, ICMP) and delivers alerts through Slack, email, SMS, or webhook integrations. Its pay-as-you-go pricing, high-frequency checks, and status page support make it an excellent choice for anyone needing dependable, low-cost uptime assurance