SentryUptimeBot User Agent: What It Is & How to Block It

01 · Operator

Who operates SentryUptimeBot

Company: Sentry
Type: Monitoring bot
Official docs: docs.sentry.io

02 · Behavior

What SentryUptimeBot does

Sentry customers configure URLs to monitor. SentryUptimeBot sends regular requests to them and reports downtime. Sentry publishes the IP addresses it uses for these checks.

03 · Impact

Why SentryUptimeBot matters for your site

If you allow it

Your team may rely on it for downtime alerts
Requests come from a documented, small IP set

If you block it

Nobody on your team uses Sentry uptime monitoring
Frequent checks add requests to your logs

04 · Allow

How to allow SentryUptimeBot

robots.txt

User-agent: SentryUptimeBot
Allow: /

Cloudflare

# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "SentryUptimeBot")
Action:     Skip › All Super Bot Fight Mode rules

# Also check Security › Bots: "Block AI bots" can block it regardless of robots.txt.

WordPress

# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: SentryUptimeBot
Allow: /

nginx

# nginx serves every user agent by default.
# Make sure no rule like this blocks it:
# if ($http_user_agent ~* "SentryUptimeBot") { return 403; }

Apache

# Apache serves every user agent by default.
# Make sure .htaccess has no rule like this:
# RewriteCond %{HTTP_USER_AGENT} SentryUptimeBot [NC]
# RewriteRule .* - [F,L]

05 · Block

How to block SentryUptimeBot

Start with robots.txt. If SentryUptimeBot keeps showing up in your logs, block it at your CDN or web server.

robots.txt

User-agent: SentryUptimeBot
Disallow: /

Cloudflare

# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "SentryUptimeBot")
Action:     Block

WordPress

# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: SentryUptimeBot
Disallow: /

nginx

# In your server { } block:
if ($http_user_agent ~* "SentryUptimeBot") {
    return 403;
}

Apache

# .htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} SentryUptimeBot [NC]
RewriteRule .* - [F,L]
</IfModule>

06 · User agents

User agents we see for SentryUptimeBot

The user agent published by the operator:

SentryUptimeBot/1.0 (+https://docs.sentry.io/product/monitors-and-alerts/monitors/uptime-monitoring/)

07 · Verification

Is it really SentryUptimeBot?

Anyone can copy a user agent. Real SentryUptimeBot requests come from the IP ranges published at sentry.io/api/0/uptime-ips/.

FAQ

Questions about SentryUptimeBot

Why is SentryUptimeBot hitting my site so often?

A Sentry user has configured an uptime monitor for your URL. The bot checks it on a recurring schedule.

Which IP addresses does SentryUptimeBot use?

Sentry lists them in its IP ranges docs and at sentry.io/api/0/uptime-ips/. Sentry notes the IPs can change without notice.

How do I allow SentryUptimeBot through my firewall?

Allow the IPs from Sentry's uptime IP list. Sentry also suggests matching the SentryUptimeBot user agent because IPs can change.

SentryUptimeBot is Sentry’s monitoring bot