---
title: AlertSleep Reviews
meta_title: 'AlertSleep Reviews 2026: Details, Pricing, & Features | G2'
meta_description: Filter reviews by the users' company size, role or industry to find
  out how AlertSleep works for a business like yours.
date_modified: '2026-06-04'
parent_category:
  name: Monitoring
  url: https://www.g2.com/categories/monitoring
---


# AlertSleep Reviews
**Vendor:** AlertSleep  
**Category:** [Website Monitoring Software](https://www.g2.com/categories/website-monitoring)
## About AlertSleep
AlertSleep is a 24/7 uptime monitoring service that instantly alerts you when your website, API, or server goes down — before your customers notice. Get notified within 60 seconds of downtime via SMS, phone call, email, Slack, or webhook. AlertSleep monitors HTTP/HTTPS endpoints, REST APIs, TCP ports, SSL certificates, and page speed from multiple global locations (North America, Europe, and Asia), using multi-location verification to eliminate false positives. Unlike other monitoring tools, AlertSleep includes phone call alerts and SMS on every paid plan — no premium upgrades or usage credits required. The Pro plan also offers unlimited team members with no per-seat pricing, making it ideal for growing teams and agencies managing multiple client sites. Key features include: 1-minute monitoring intervals on all paid plans SSL certificate expiration alerts (30, 14, and 7 days in advance) Public status pages that update automatically during incidents 365-day data retention on the Pro plan REST API for programmatic access Free diagnostic tools (SSL checker, DNS lookup, port checker, and more) Plans start at $0/month with a generous free tier, scaling to just $10/month for the full-featured Pro plan. Perfect for startups, SaaS companies, e-commerce stores, developers, and agencies who need enterprise-grade reliability without the enterprise price tag.






- [View AlertSleep pricing details and edition comparison](https://www.g2.com/products/alertsleep/reviews?open_modal_url=%2Fproducts%2Falertsleep%2Fwishlists%3Fhost_path%3D%252Fproducts%252Falertsleep%252Freviews%26source%3Dpdp_avatar&section=pricing&secure%5Bexpires_at%5D=2026-08-10+10%3A48%3A18+-0500&secure%5Bsession_id%5D=5b808a9b-7632-4465-b8b8-d0081837fda5&secure%5Btoken%5D=b6e8d2bcdac50b6146a8ef6f284a84a05eb888ec7f2103e1348caaaed26f4041&format=llm_user)

## AlertSleep Features
**Functionality**
- Baseline
- Alerting
- Multi-Site Monitoring
- Reporting
- Multi-Channel Alerting
- Location Insights
- Server Monitoring
- FTP Monitoring
- Mail Server Monitoring
- Transaction Monitoring
- Multi-Location Monitoring
- Real-Time Monitoring
- SSL Monitoring
- Uptime Reporting

**Agentic AI - Website Monitoring**
- Autonomous Task Execution
- Multi-step Planning
- Cross-system Integration
- Adaptive Learning
- Natural Language Interaction
- Proactive Assistance
- Decision Making
- Third-Party Integrations

**Additional Functionality**
- AI Copilot
- Customizable Reports
- Activity Dashboard
- Single Sign On
- Remote Monitoring & Management
- Issue Management
- Widgets
- Chat/Messaging
- Availability Testing
- Website Analytics
- Real-Time Analytics
- Incident Management
- Compliance Management
- Performance Management
- Performance Metrics
- Collaboration Tools
- Trend Analysis
- Email Alerts
- Alerts/Notifications
- Real-Time Notifications
- Drag & Drop
- Data Visualization
- Activity Tracking
- Configurable Alerts
- User Management
- Generative AI
- Application Management
- Event Logs
- Multiple User Accounts
- Mobile Alerts
- Visitor Tracking
- Issue Tracking
- Risk Alerts
- API
- For Websites
- Scheduled Testing

## Top AlertSleep Alternatives
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