Notification Methods
Configure how you receive alerts when monitors detect issues. Choose from email, SMS, webhooks, and popular communication platforms to ensure critical alerts reach the right people.
How Notifications Work
When a monitor detects an issue or recovers, notifications are sent to all assigned contacts:
- 1.Monitor detects status change (online → offline or vice versa)
- 2.System verifies the issue from multiple locations to avoid false positives
- 3.Notifications sent to all assigned contacts simultaneously
- 4.Recovery notifications sent when service comes back online
Available Notification Methods
Reliable email alerts with delivery to multiple recipients
Key Features
- •Instant delivery to multiple recipients
- •10 free emails daily
- •Plain text format for compatibility
- •Downtime duration in recovery alerts
SMS
Critical alerts delivered directly to mobile phones worldwide
Key Features
- •Global SMS delivery
- •Credit-based system
- •Concise alert messages
- •Works on any mobile phone
Webhooks
Send alerts to any HTTP endpoint with JSON payloads
Key Features
- •Custom HTTP endpoints
- •JSON payload format
- •Real-time delivery
- •Build custom integrations
Slack
Real-time notifications in your team's Slack channels
Key Features
- •Simple webhook URL setup
- •Plain text notifications
- •Clickable monitor links
- •Certificate expiration warnings
Discord
Send alerts to Discord servers for team notifications
Key Features
- •Simple webhook URL setup
- •Plain text notifications
- •Clickable monitor links
- •Certificate expiration warnings
PagerDuty
Create incidents in PagerDuty for on-call management
Key Features
- •Automatic incident creation
- •Auto-resolve when monitors recover
- •Deduplication of alerts
- •Events API v2 integration
incident.io
Modern incident response with HTTP Alert Events API
Key Features
- •HTTP Alert Events API
- •Auto-resolve when monitors recover
- •Monitor metadata in alerts
- •Certificate expiration alerts
Opsgenie
Advanced alerting and on-call management by Atlassian
Key Features
- •Alert API v2 integration
- •Auto-close when monitors recover
- •Customizable priority levels (P1-P5)
- •US & EU data center support
Zendesk
Create and manage support tickets automatically
Key Features
- •Automatic ticket creation
- •Auto-solve when monitors recover
- •Deduplication using external IDs
- •Custom tags and priority levels
Managing Notification Contacts
Adding Contacts
Create notification contacts in your account settings:
- • Navigate to Settings → Contacts
- • Choose notification type (Email, SMS, Webhook, Slack, etc.)
- • Enter required configuration (email address, phone number, webhook URL, etc.)
- • Assign contacts when creating or editing monitors
Contact Assignment
Each monitor can have multiple contacts assigned:
- • Mix different notification types for redundancy
- • Email for detailed reports, SMS for urgent alerts
- • Webhooks and integrations for automated workflows
- • Update assignments anytime without disrupting monitoring
Contact Limits
- • Unlimited contacts of all types
- • Email has daily limits (10 free, more with paid plans)
- • SMS requires prepaid credits
- • Webhooks and integrations are unlimited
Notification Content
All notifications include essential information about the incident:
Down Alerts Include:
- •Monitor name and URL
- •Error type and details
- •Time of failure
- •Response code or error message
- •Link to monitor dashboard
Recovery Alerts Include:
- •Monitor name and URL
- •Recovery confirmation
- •Total downtime duration
- •Recovery time
- •Link to monitor dashboard
Notification Credits & Limits
Email Notifications
- •Daily limits reset every 24 hours at noon UTC
- •Free plan: 10 emails per day
- •Paid plans: Daily limit matches your monitor count
- •Additional email packages available: 1,000 / 3,000 / 10,000 credits
SMS Notifications
- •Prepaid credits only - no free SMS included
- •Package sizes: 100 / 200 / 500 / 1,000 credits
- •No expiration: Credits remain until used
Other Notification Types
Unlimited and free: Webhooks, Slack, Discord, PagerDuty, incident.io, Opsgenie, and Zendesk have no credit requirements or sending limits.
Out of credits? You'll receive one notification alerting you that your limit has been reached. Monitor status changes will still be recorded, but notifications won't be sent until credits are available.
Notification Best Practices
- ✓Use multiple notification types
Combine email and SMS for critical monitors, add Slack for team awareness
- ✓Leverage incident management tools
Use PagerDuty, incident.io, or Opsgenie for production systems requiring on-call rotations
- ✓Test notifications regularly
Use the Test button next to each contact to verify notification delivery is working correctly
- ✓Use webhooks for automation
Build custom integrations to trigger automated response workflows
- ✓Monitor credit usage
Track email and SMS usage to ensure you don't run out during critical times