FourSightTetraCore
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Related Products
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About
FourSight is multi-region uptime monitoring built to stop alert fatigue. Every check runs from four regions (US, Canada, Europe, Asia-Pacific) and a quorum-based consensus policy confirms an outage from more than one region before anyone is paged, so a single flaky vantage point never wakes you at 3 AM. Eight check types cover HTTP/uptime, keyword/content, SSL certificate expiry, DNS drift, domain expiry (RDAP), ping latency, TCP/UDP port checks and heartbeat monitoring for cron jobs and backups. Alerts go out by email, Slack, HMAC-signed webhooks and SMS, with escalation policies and maintenance windows to keep noise down. Public status pages are included on every tier (white-label with custom domains on Scale), plus incident management with timelines, multi-user organizations with roles, and uptime/latency history with regional breakdowns.
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About
Uptime Tracker monitors websites, APIs, servers and scheduled jobs around the clock, rechecking failures before sending alerts to help distinguish outages from brief network errors. It supports HTTP(S) and keyword checks, SSL certificates, TCP ports, DNS records, ping, domain expiry, authenticated API tests with JSON assertions, multi-step API workflows, gRPC, SMTP, IMAP and heartbeat monitoring for cron jobs and backups. Alerts can be routed through rules to email, SMS, Slack, Microsoft Teams, Discord, Telegram, Google Chat, PagerDuty, Pushover, ntfy, Gotify, Mattermost, Rocket.Chat and webhooks, with on-call schedules and escalation. The service includes incident timelines, maintenance windows, reports and hosted status pages on custom domains. Individuals, developers, SaaS teams, agencies, freelancers, online stores and small businesses can use it to monitor services and communicate availability. A free plan includes two monitors; paid plans start at $9 per month.
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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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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
SaaS teams, indie developers, agencies and IT teams who need website, API, SSL, DNS and cron-job monitoring without false alerts
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Audience
Developers, SaaS teams, agencies, online stores and small businesses running websites and APIs.
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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
Not Supported
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API
Offers API
Supported
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Screenshots and VideosNo images available
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Screenshots and VideosNo images available
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Pricing
$16/month
Free Version
Supported
Free Trial
Not Supported
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Pricing
$9/month
Free plan: $0/month, with 2 monitors, 5-minute checks, 5 heartbeat monitors, and 1 public status page. Pro: $9/workspace/month or $90/workspace/year, with 10 monitors, 60-second checks, 2 seats, and 3 projects. Team: $49/workspace/month or $490/workspace/year, with a 14-day free trial. SMS uses prepaid credit. Prices are in USD and exclude tax.
Free Version
Supported
Free Trial
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
Not Supported
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Company InformationTetraCore
United States
foursight.cloud
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Company InformationUptime Tracker
Founded: 2026
Bulgaria
uptimetracker.live
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Alternatives |
AlternativesNo Alternatives
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Categories |
Categories |
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Integrations
Apple Calendar
Not Supported
Discord
Not Supported
GitHub Actions
Not Supported
Google Calendar
Not Supported
Google Chat
Not Supported
Jenkins
Not Supported
Mattermost
Not Supported
Microsoft Teams
Not Supported
PagerDuty
Not Supported
Pushover
Not Supported
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Integrations
Apple Calendar
Supported
Discord
Supported
GitHub Actions
Supported
Google Calendar
Supported
Google Chat
Supported
Jenkins
Supported
Mattermost
Supported
Microsoft Teams
Supported
PagerDuty
Supported
Pushover
Supported
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