Website Monitoring That’s Actually Affordable

Get started free. Monitor up to 10 sites for just $1/month. Or upgrade to monitor up to 500 sites as you grow.

No bloat. No contracts. Just peace of mind.

Uptime & SSL monitoring plus a developer-friendly API. Website and API friendly! Monitor authenticated endpoints using custom request headers (Authorization, API keys, and more). Explore the uptime monitoring API →

Your first site is always free. Track status, response time, and SSL health with clear alerts and a simple JSON API.

You're Covered. Even While You Sleep.

Site Informant Uptime Monitoring

Powerful Monitoring. Budget-Friendly.

See Site Informant in Action

Real-time uptime, response time, and SSL monitoring in a clean, focused dashboard.

Site Informant dashboard showing uptime percentage, response time graph, and SSL expiration status.
API-ready checks (with auth headers)
Monitor authenticated endpoints by attaching request headers. Values are encrypted at rest and never shown publicly.
Site Informant request headers UI showing Authorization header configured.
Example: add Authorization or X-Api-Key to check protected APIs.
Try the Dashboard

For Agencies Managing Client Sites

If you maintain client websites, downtime is not just a technical problem. It is an expectations problem. Site Informant helps you catch issues early and communicate clearly.

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Less Firefighting

Know when a client site is down before your client tells you.

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Clear Proof

Uptime history and SSL health you can reference in conversations.

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Simple API

Use monitoring data in dashboards, automations, and reports.

Agency Monitoring Overview

For Developers and DevOps

Monitor sites, endpoints, and SSL with clean data and zero noise. Site Informant is built to be simple to automate, trustworthy, and straightforward to operate.

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Authenticated Monitoring

Monitor protected APIs and services using encrypted request headers like Authorization and API keys.

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Clean JSON API

Use monitoring data in dashboards, automations, and workflows.

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Groups for Real Systems

Organize by service, client, environment, or team.

DevOps Monitoring Overview

Learn more: Uptime monitoring · Monitoring API

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Reliable Checks & Clear Status

Continuous HTTP/HTTPS checks with simple history you can trust.

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Actionable Email Alerts

Downtime and SSL expiration notifications before it’s a crisis.

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Transparent Pricing

The first site is free. Monitor up to 10 sites for just $1 per month. Pro, Business, and Enterprise tiers available.

Why Choose Site Informant?

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Truly Affordable - $1/month gets you 10 sites. Most tools charge 10x more.
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Clean Dashboard - Focused. Lightweight. No adware, no upsells.
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API-first monitoring - Monitor public or authenticated endpoints using secure request headers (encrypted at rest) and a clean JSON API.
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Privacy First - We don’t sell your data or track your visitors.
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Fast Alerts - Be the first to know when something goes wrong.
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AI-Ready Monitoring API - Clean APIs designed to integrate with modern automation and AI systems.

Simple, Honest Pricing

All plans include 1-minute checks, SSL expiration alerts, email notifications, and a clean status dashboard.

Starter

First site free! Up to 10 sites.

$1 / mo

Start Free
Pro

Monitor up to 70 sites. Perfect for freelancers and IT pros.

$4.99 / mo

Choose Pro
Special Deal
Business

Up to 150 sites. Great for agencies and growing teams.

$9.99 $4.99 / mo

Save 50% - Don't Miss This Deal!
Best Value
Enterprise

Up to 500 sites with priority monitoring and support.

$24.99 / mo

Go Enterprise

Frequently Asked

Yes - proactive emails before certificates expire.

Yes. 1 site free. Then just $1/month for up to 10 sites on the Starter plan.

Start Monitoring in Under a Minute

Your first site is free. Add up to 10 total sites for just $1/month.

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