# 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?section=pricing&secure%5Bexpires_at%5D=2026-05-20+14%3A46%3A08+-0500&secure%5Bsession_id%5D=aab8d287-7681-40ef-a722-2a1619949f0f&secure%5Btoken%5D=d40d267cc7c0bcbe1f20263ebe68fc018b5720967e1ed0973e59193978e9c2ae&format=llm_user)

## AlertSleep Features
**Functionality**
- Baseline
- Alerting
- Multi-Site Monitoring
- Reporting
- Multi-Channel Alerting
- Location Insights

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

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