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
exit1.dev is real-time uptime monitoring for websites, APIs, and infrastructure, built around a live dashboard. Probe results stream from our regional servers straight into your browser over WebSockets, so the chart and raw probe table update the moment each check finishes, with per stage timing for DNS, connect, TLS, and first byte. No refresh, no polling.
Checks run from multiple regions across HTTP, TCP, UDP, ICMP, WebSocket, DNS, and heartbeat monitors. It also tracks SSL certificate and domain expiry, validates response bodies with status codes, JSONPath, and text, and alerts through email, SMS, Slack, Discord, Teams, or webhooks.
exit1.dev ships an MCP server too, so AI assistants can create and query your monitors directly. You also get public status pages, status badges, and a REST API. The free plan includes 10 monitors with no credit card.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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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
Indie / Solo devs, small to medium sized companies and agencies
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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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
Free Trial
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Pricing
$7/month
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationTetraCore
United States
foursight.cloud
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Company Informationexit1.dev
Founded: 2025
Denmark
exit1.dev
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Integrations
Model Context Protocol (MCP)
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