About SiteInformant

No business should be blindsided by downtime.

SiteInformant is a website monitoring platform that tracks uptime, response time, and SSL certificate expiration. It provides email alerts, Slack and Discord webhooks, custom webhooks, and a public JSON API for developers and AI integrations.

SiteInformant helps you monitor your website’s uptime, response time, and SSL certificate health 24/7 and alerts you via Email, Slack, Discord, and custom webhooks when something goes wrong. It’s fast to set up, affordable, and API & AI ready so developers and teams can automate workflows and build custom dashboards.

Your website deserves more than luck. It deserves protection.

The first site is free. Monitor up to 10 sites for just $1 per month. Upgrade anytime to monitor up to 500 sites with Pro, Business, or Enterprise plans.

Live now: email alerts, Slack webhooks, Discord webhooks, custom webhooks, and the public JSON API for developer and AI integrations. Next up: DNS validation for record drift, nameserver changes, and critical mail/auth checks.