Sentinel by RootstuffRootstuff
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Related Products
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About
Sentinel is a hosted monitoring service for websites, APIs, and network services. It runs HTTP/HTTPS, JSON/API, keyword, SSL certificate, DNS, domain expiration, ping, TCP port, cron job, and heartbeat checks, with response-time data and public status pages. Checks can run as often as every 15 seconds from 15 locations across six continents, with multi-location confirmation for outage alerts. Teams can receive notifications through email, SMS, Slack, Microsoft Teams, Discord, Telegram, PagerDuty, and webhooks. Sentinel also provides a REST API, command-line tools, a Terraform provider, and an MCP server for automation. A free plan is available, while paid plans start at $14 per month; plans include API access and do not charge per seat. The service is intended for developers, DevOps and SRE teams, and businesses that need to monitor service availability.
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About
Most uptime monitors only check if your server responds. upsonar goes further — it loads your page and discovers every external dependency: CDN-hosted files, third-party scripts, web fonts, and API endpoints. If any of them fail, you get alerted before your users notice.
Availability checks run from multiple global regions simultaneously, so regional CDN failures and localized outages don't go undetected. Beyond uptime, upsonar monitors SSL certificates approaching expiration, tracks domain expiry dates to prevent renewal failures, and detects DNS record changes that could indicate unauthorized modifications.
All five monitoring types work together in one dashboard. Notifications reach you through email, Telegram, or webhooks compatible with Slack, Discord, and PagerDuty. Get started free with 3 websites — all features included, no credit card needed.
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Platforms Supported
Windows
Not Supported
Mac
Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Developers, IT professionals, DevOps and SRE teams, and SaaS businesses.
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Audience
Developers, DevOps engineers, system administrators, SaaS companies, web agencies, freelancers, e-commerce businesses, and site reliability teams
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and VideosNo images available
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Screenshots and VideosNo images available
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Pricing
$14/month
Free plan available. Paid plans start at $14 per month; plans include API access and have no per-seat fee. A 14-day free trial is available on paid plans.
Free Version
Supported
Free Trial
Supported
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Pricing
€10/month
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Supported
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Company InformationRootstuff
Founded: 2010
United States
sentinel.rootstuff.io
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Company Informationupsonar.io
Founded: 2025
Cyprus
upsonar.io
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Discord
Supported
GitHub
Supported
Microsoft Teams
Supported
Model Context Protocol (MCP)
Supported
PagerDuty
Supported
Rootly
Supported
Slack
Supported
Telegram
Supported
Terraform
Supported
incident.io
Supported
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Integrations
Discord
Not Supported
GitHub
Not Supported
Microsoft Teams
Not Supported
Model Context Protocol (MCP)
Not Supported
PagerDuty
Not Supported
Rootly
Not Supported
Slack
Not Supported
Telegram
Not Supported
Terraform
Not Supported
incident.io
Not Supported
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