Uptime monitoring that runs on your Cloudflare account.
One repo. One deploy. Globally distributed HTTP monitoring live in minutes. Your infrastructure, your data, your control.
Initialize Monitoring →Secure Connection Established
Edge-Native Architecture
Every check runs on Cloudflare's global edge network across 200+ cities. Each endpoint is an independent Durable Object — isolated, fault-tolerant, deterministically scheduled.
Real-Time by Default
WebSocket subscriptions stream check results and status changes to your dashboard live. No polling. No refresh. Smart four-state detection prevents false alerts from transient blips.
Your Infrastructure
Not a SaaS. Not a managed service. Your data stays in your D1 database. Your Workers, your Durable Objects, your bill. Open source, not a product.
// Deploy Sequence
Two paths to global monitoring.
Click the button. Cloudflare handles the rest.
Provisions the Worker, D1 database, and Durable Object namespace automatically. Monitoring live in minutes with zero terminal commands.
Clone, configure, deploy. Three commands.
Full control over your setup. No Docker, no VMs, no orchestration.
// System Boot
Zero internal secrets. All service communication via Cloudflare bindings.
// Status Intelligence
Smart detection, not false alarms.
A four-state machine with consecutive failure thresholds prevents noisy alerts from transient network blips. You get notified when it matters.
// Positioning
Dollars per month, not dozens.
| SaaS Monitors | Docker Self-Hosted | Vigil | |
|---|---|---|---|
| Infrastructure | Their servers | Your server / VPS | Cloudflare edge |
| Cost | $10–79/month | VPS + maintenance | Usage-based (dollars/mo) |
| Distribution | Their regions | Single location | 200+ cities globally |
| Maintenance | Managed | You patch & restart | Cloudflare maintains runtime |
| Data | Their database | Your database | Your D1 database |
| Source | Closed | Open source | Open source |
Built for 10–100 endpoints.
Personal projects, client sites, side businesses. Monitoring without monthly SaaS bills or third-party dependencies.
View the Code →Open source, not a service