What is Sentry Uptime Monitoring?
Direct Answer: Sentry Uptime Monitoring bot checks websites and APIs for availability, operated by Sentry Uptime Bot.
The Sentry Uptime Monitoring bot is a feature of the Sentry platform that checks customer websites and APIs for availability. It sends requests with a specific User-Agent header to verify uptime and triggers alerts if issues are detected. The bot's IP addresses can change without notice.
User-Agent Identification
The following user-agent strings identify Sentry Uptime Monitoring in your live traffic data:
SentryUptimeBot/1.0 (+http://docs.sentry.io/product/alerts/uptime-monitoring/)
robots.txt Rules for Sentry Uptime Monitoring
Respects robots.txt: No
This bot does not commit to following robots.txt
Sentry Uptime Monitoring does not officially follow robots.txt directives. The only reliable way to control access is through server-side blocking (IP filtering, user-agent rules in your web server config) combined with log monitoring to verify effectiveness.
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Crawl Behavior
Frequency:Continuous
Request Pattern:Sends Requests To Check Website And API Availability
Official Documentation Quotes
"Some hosting platforms can block incoming requests from Sentry's Uptime Bot, falsely triggering uptime alerts."
"Our uptime check requests use the following `User-Agent`:"
Crawl Activity Index
Relative crawl activity for Sentry Uptime Monitoring over the past 28 days. Higher values indicate increased crawling intensity compared to the period baseline.
View recent activity data (last 7 days)
| Date | Activity Index |
|---|---|
| Mar 26, 2026 | 88.0 |
| Mar 27, 2026 | 82.7 |
| Mar 28, 2026 | 83.1 |
| Mar 29, 2026 | 81.8 |
| Mar 30, 2026 | 87.3 |
| Mar 31, 2026 | 90.2 |
| Apr 1, 2026 | 88.8 |
Source: Cloudflare Radar
Why track Sentry Uptime Monitoring traffic?
Distinguish monitoring traffic from real crawler activity. Sentry Uptime Monitoring checks your site availability at regular intervals. Without proper identification, these requests can inflate your bot traffic metrics and distort crawl analysis.
Validate monitoring coverage. Track which pages Sentry Uptime Monitoring checks and how frequently, so your monitoring setup matches your infrastructure requirements.
Log Verification
To verify Sentry Uptime Monitoring traffic in your live traffic data:
- Search access logs for the user-agent strings listed above
- Check if the IP addresses match documented ranges (if provided by Sentry Uptime Bot)
- Verify the crawl pattern matches documented behavior
- Use reverse DNS lookup for additional verification if available
IP Verification: Sentry Uptime Bot provides official IP verification via Published IP ranges. View verification instructions →
IP addresses can change without notice
Note: Observed behavior in production environments may differ from official documentation. Live traffic monitoring provides the only reliable verification of actual bot behavior.
Undocumented Information
The following information is not officially documented for Sentry Uptime Monitoring:
- crawl frequency details
- JavaScript rendering details
Official Documentation
View Official Sentry Uptime Monitoring Documentation →
Information sourced from official documentation. Content generated with AI assistance.