Alerts That Actually Work

Instant notifications, smart suppression

Get notified immediately when things break. Webhooks, email, custom rules—configure alerts that wake you up without driving you crazy. Free and intelligent.

See It in Action

Watch how to set up alerts in minutes

Key Features

Everything you need to monitor your infrastructure effectively

Instant Notifications

Get alerted immediately when issues occur. No delays, no missed problems.

Webhook Alerts

Send alerts to your systems via webhooks with custom payloads and HMAC signatures.

Email Notifications

Receive email alerts with detailed information about issues and recovery.

Smart Suppression

Prevent alert fatigue with intelligent suppression and rate limiting.

Custom Rules

Configure alert conditions, recipients, and timing to match your needs.

Multiple Channels

Send alerts via webhooks, email, or both. Integrate with any system.

Why Choose exit1.dev?

See how we stack up against the competition

Featureexit1.devOthers
Instant alert deliveryDelayed notifications
Webhook supportLimited or paid
HMAC signatures
Alert suppressionBasic rate limiting
Custom alert rulesFixed templates
Multiple notification channelsEmail only
Test alert functionality
API access to alertsPaid only
Free tier alertingFull featuresLimited alerts
No alert volume limitsDaily limits

Technical Details

Built for developers, by developers

Architecture

Alert system built on serverless functions for instant delivery. Webhooks use HTTP POST with retry logic and timeout handling. Email alerts sent via reliable email service with delivery tracking. All alert configurations stored securely.

Performance

Alert delivery typically completes in under 2 seconds. Webhook retries with exponential backoff for failed deliveries. Email alerts processed within 30 seconds. System handles thousands of concurrent alerts with intelligent queuing.

API

Alerting API allows programmatic management of webhooks and email settings. RESTful endpoints with HMAC authentication. Rate limits: 500 requests/hour per API key. Webhook delivery includes detailed payloads with retry logic.

Frequently Asked Questions

Everything you need to know about our monitoring

You'll receive alerts within seconds of detecting an issue. Our system performs real-time monitoring checks and immediately triggers notifications via webhooks and email when problems are detected. No delays, no missed alerts.

Webhooks send instant HTTP POST requests to your systems with detailed JSON payloads, perfect for integrating with Slack, Discord, or custom applications. Email alerts provide human-readable notifications with issue details and recovery information. You can use both simultaneously.

We use intelligent alert suppression that requires multiple consecutive failures before sending the first alert. We also limit alerts to one per check per event per hour to prevent spam. You can customize these settings based on your preferences and monitoring needs.

Yes, webhook alerts include detailed JSON payloads with website information, status codes, response times, and error details. You can also add custom headers to webhooks for authentication. Email alerts include comprehensive issue information and recovery suggestions.

Yes, we provide optional HMAC signatures for webhook payloads. This allows you to verify that alerts are genuinely from exit1.dev and haven't been tampered with. The signature is included in the X-Exit1-Signature header.

Absolutely. You can send test webhook payloads and test emails to verify your alert configurations work correctly. This helps ensure your integrations are set up properly before real issues occur.

You'll receive recovery notifications when your website comes back online. These alerts include information about the downtime duration and help you track your service reliability. You can configure whether to receive recovery notifications separately from downtime alerts.

Yes, you can configure different alert settings for each website you monitor. Set different recipients, notification channels, or suppression rules based on the importance and characteristics of each service.

Want SMS alerts and team notifications?

Get texted when your site goes down — not hours later via email. Nano includes SMS alerts, team alerts (add others to SMS & email), and custom branding for just $3/month.