Bun is UP

and responding normally

Fast JavaScript runtime, bundler, and package manager.

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Response Time History

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Uptime
99.96%
Excellent
Response
62ms
Last check
Checks
15,600
30-day total
Last Check
May 24, 2026, 12:12 AM
Every 5 min

About Bun

Website
bun.sh
Monitored from
EU (Helsinki, Frankfurt, Amsterdam)
Check interval
Every 5 minutes

Frequently Asked Questions

Is Bun down right now?

Bun is currently up and running. Our last check from EU servers showed a response time of 62ms with 99.96% uptime over the past 30 days.

What is Bun's uptime?

Bun has a 30-day uptime of 99.96%, based on 15,600 checks from Vartio's EU monitoring servers located in Helsinki, Frankfurt, and Amsterdam.

How do I check if Bun is down?

Vartio monitors Bun every 5 minutes from multiple EU servers and runs a live check when you visit this page. This page shows the current status, response time, and 30-day uptime history. You can also monitor your own services for free.

Why is Bun down?

When Bun is down, Vartio automatically checks the service's official status page for reported incidents and outage reasons. Common causes include server maintenance, infrastructure issues, DNS problems, or DDoS attacks. Visit this page for real-time updates.

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Is Bun Down? — Up and Running | Vartio | Vartio