Real-time website and API monitoring with multi-region checks, SSL tracking, and intelligent alerting.
Source-available, not open source. This code is published for transparency and reference. See LICENSE for terms.
Exit1 monitors your websites and APIs from multiple global regions every 2 minutes. When something goes down, you get notified via email, SMS, or webhook — with smart throttling so you don't get spammed.
- HTTP/HTTPS endpoint monitoring with response validation
- SSL certificate expiration tracking and alerts
- Multi-region checks (US, Europe, Asia)
- Performance analytics and uptime history
- Public status pages
- Domain intelligence (WHOIS/registration monitoring)
- REST API for programmatic access
- BigQuery-powered log storage and analytics
- Frontend: React 19, TypeScript, Vite, Tailwind CSS, shadcn/ui
- Backend: Firebase Cloud Functions (Gen2), Firestore, BigQuery
- Auth: Clerk
- Notifications: Resend (email), Twilio (SMS), Svix (webhooks)
- Hosting: Firebase Hosting
| Website | exit1.dev — Learn about the platform | Repo |
| Monitor App | app.exit1.dev — Sign in and manage your checks | Repo |
| Documentation | docs.exit1.dev — Guides, API reference, and setup instructions | Repo |
This project is source-available under a custom All Rights Reserved license. You may view the code for personal, educational, and reference purposes. Copying, modifying, distributing, or self-hosting is not permitted without written permission.
For licensing inquiries: connect@exit1.dev
