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What is upsonar.io?

Unlike many uptime monitoring tools that merely check server responses, upsonar enhances the process by fully loading your website to uncover all external elements such as CDN-hosted resources, third-party scripts, web fonts, and API endpoints. If any of these components encounter issues, you receive prompt notifications, allowing you to resolve the problems before they affect your users. Moreover, it conducts availability assessments from various locations across the globe at the same time, which is crucial for detecting any regional CDN failures or localized outages that might otherwise go unnoticed. On top of uptime monitoring, upsonar also tracks SSL certificate expirations, monitors domain expiration dates to prevent renewal snags, and identifies changes in DNS records that may indicate unauthorized modifications. The five distinct monitoring types work in harmony within a single dashboard, providing a comprehensive overview of your website's health. Notifications can be dispatched via email, Telegram, or webhooks that integrate effortlessly with services like Slack, Discord, and PagerDuty. You can start with a free plan that supports monitoring for three websites, offering all features without requiring a credit card, which allows you to fully explore its advantages without any risk. This way, you can ensure your online presence remains robust and reliable while keeping your users satisfied.

What is FourSight?

FourSight provides an extensive multi-region uptime monitoring service aimed at reducing alert fatigue for users. Each monitoring process is executed from four distinct global locations—namely the US, Canada, Europe, and Asia-Pacific—utilizing a quorum-based consensus system to confirm outages in multiple regions before alerts are sent out, thus preventing a single unreliable source from disrupting your rest at night. The service offers eight various types of checks, which include HTTP/uptime verification, monitoring of specific keywords or content, tracking of SSL certificate expiration, detection of DNS drift, checks for domain expiration (RDAP), assessments of ping latency, evaluations of TCP/UDP ports, and heartbeat monitoring for scheduled tasks and backups. Users receive alerts through multiple channels, such as email, Slack, HMAC-signed webhooks, and SMS, and the platform incorporates built-in escalation protocols and maintenance windows to reduce unnecessary notifications. Each subscription tier comes with public status pages, which can include white-label options with custom domains for those in the Scale tier, and the incident management features encompass timelines, support for multi-user organizations with specific roles, as well as detailed histories of uptime and latency with insights by region. This powerful platform ensures that users can sustain peak performance levels while avoiding alert overload, allowing them to focus on critical tasks without constant distractions. Additionally, the service's comprehensive capabilities provide peace of mind, knowing that potential issues are monitored effectively.

Media

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Media

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Integrations Supported

Additional information not provided

Integrations Supported

Additional information not provided

API Availability

API Availability

Pricing Information

€10/month
Free Version

Pricing Information

$16/month
Free Version

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub
On-Site Training

Training Options

Documentation Hub

Company Facts

Organization Name

upsonar.io

Date Founded

2025

Company Location

Cyprus

Company Website

upsonar.io

Company Facts

Organization Name

TetraCore

Company Location

United States

Company Website

foursight.cloud

Categories and Features

Website Monitoring

Not specified

Categories and Features

Website Monitoring

Not specified

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