Uptime and Performance Monitoring for DevOps

Monitor external endpoints every minute, track retained p95 response time, compare releases, and route confirmed problems through named escalation policies.

Check an Endpoint Now Try it free View API
Your first endpoint is free. A credit card is required to prevent abuse. Use parent sites and Groups to organize by service, environment, and/or client.
SiteInformant 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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P95 and Release Impact

Retain p95 latency and compare up to 30 successful checks before and after a deployment.

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Simple JSON API

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

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Timed Escalation

Route ordered downtime steps to reusable Email, Slack, Discord, Teams, or webhook destinations.

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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Retained p95 response time for the slower edge of successful checks.
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SSL expiration tracking so cert renewals do not become incidents.
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Named notification destinations with tests and delivery history.
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Parent sites and endpoints for services with multiple monitored routes.
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Deployment markers that compare p95 before and after a release.

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.

Related reading: Monitoring automation: why signal quality matters.

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.
Designed and operated by engineers with production experience.

Ideal for

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

FAQ

How is SiteInformant different from traditional uptime monitoring tools?

SiteInformant focuses on signal over noise. Clear uptime status, honest response time data, and SSL expiration tracking, with Groups that match how teams actually organize systems.

Is SiteInformant suitable for APIs and services?

Yes. SiteInformant provides a clean JSON API so you can pull monitoring data into dashboards, workflows, internal tooling, and reporting systems that need reliable health signals.

Does SiteInformant require a credit card?

Yes, even for the free endpoint. This prevents abuse and helps keep checks reliable for everyone.

Can I organize endpoints by site, client, service, or environment?

Yes. Parent sites contain endpoints, and Groups organize parent sites by client, service, environment, or team.

Start monitoring in minutes

Add an endpoint, use the ready-made default escalation policy, and get reliable uptime and SSL visibility right away.

Try it free

P95 and deployment tracking · Alert escalation and routing