Substack is UP
and responding normally
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Response Time History
About Substack
- Website
- substack.com
- Category
- Social Media
- Monitored from
- EU (Helsinki, Frankfurt, Amsterdam)
- Check interval
- Every 5 minutes
Frequently Asked Questions
Is Substack down right now?
Substack is currently up and running. Our last check from EU servers showed a response time of 169ms with 99.71% uptime over the past 30 days.
What is Substack's uptime?
Substack has a 30-day uptime of 99.71%, based on 15,599 checks from Vartio's EU monitoring servers located in Helsinki, Frankfurt, and Amsterdam.
How do I check if Substack is down?
Vartio monitors Substack 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 Substack down?
When Substack 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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