Monitor sites, endpoints, and SSL with clean data and zero noise.

JSON API. Fast checks. No bloated agents. Built by engineers for engineers.

Try it free View API
Your first site is always free. Use Groups to organize by service, environment, or client.
Site Informant dashboard showing uptime percentage, response time, and SSL status.

Built for day to day operations

Clear status, fast alerts, and data you can integrate into your existing stack.

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Actionable Alerts

Downtime and SSL expiration notifications with clear details.

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Simple JSON API

Pull uptime, response time, and SSL status into automations.

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Groups

Organize sites by service, environment, client, or team.

What you get

Focused monitoring for HTTP/HTTPS, response performance visibility, and SSL certificate health.

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Uptime checks with clear history you can trust.
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Response time visibility for slowdowns, not just outages.
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SSL expiration tracking so cert renewals do not become incidents.
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Email alerts that are easy to understand and forward.
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Groups for services, environments, and client segmentation.
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API-first access for dashboards, incident workflows, and reporting.

Clean JSON for automation

Use the API for dashboards, scheduled checks, CI guards, and internal tooling. Keep the dashboard for humans, keep the data for systems.

API documentation OpenAPI JSON
Example response (simplified)
{
  "url": "https://example.com",
  "isUp": true,
  "statusCode": 200,
  "lastResponseTimeMs": 243,
  "sslDaysRemaining": 41,
  "lastCheckedUtc": "2025-12-27T02:15:00Z"
}

Designed to be trusted

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Clear status with a dashboard that stays focused.
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Simple operation without unnecessary components.
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Privacy first with a product mindset that avoids tracking.
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Transparent pricing that stays affordable as you scale.

Ideal for

SaaS products, AI agents, internal services, APIs behind Cloudflare, CI pipelines, and production systems.

Start monitoring in minutes

Add a site, pick your alert preferences, and get reliable uptime and SSL visibility right away.

Try it free