Live status · Social and messaging
Is Substack down?
Up · checkedNo, Substack is not down right now: substack.com answered our check at 18:07 UTC, and Substack’s status page reports no problems.
Substack is a platform for newsletters, posts and podcasts.
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Up
Substack is up
substack.com answered our last check in 761 ms. The official status page reports no problems.
- Last checked
- Response
- HTTP 200 · 761 ms
- Checked from
- Stockholm, London and New York
- Uptime since 19 Oct
- 100%
Official status: All Systems Operational
Status pageEmail me when Substack goes down
One email when it looks down, one when it’s back. Free, no account: confirm by email, stop with one click.
//_01 User reports
Having problems with Substack?
Tell us what isn’t working. Reports are anonymous and show up here within about a minute, so everyone can see whether Substack is failing for others too.
What isn’t working?
Reports, last 24 hours
Per 15 minutes, in UTC
- Last hour
- 0
- Usually per hour
- 0
- Last 24 hours
- 0
No problems with Substack reported in the last 24 hours.
//_02 Common problems
Substack not working? Common problems and fixes
What usually helps when Substack fails for you while it works for others.
Check substack.com from our serverGuides
Posts don’t arrive by email
Look in spam and check that you subscribed with that address. Delivery delays show on Substack’s status page above.
Can’t sign in
Substack signs you in with a link by email, so check spam.
//_03 Last 24 hours
Substack response time
How long substack.com took to answer our checks from Stockholm, London and New York, averaged per 15 minutes.
- Average
- 545 ms
- Slowest
- 793 ms
- Failed checks
- 0
//_04 Uptime
Substack uptime, last 90 days
- 24 hours
- 100%
- Since 19 Oct
- 100%
//_05 Outages
Recent Substack outages
Since we started checking Substack on 19 Oct 2026, our checks every 2 minutes have not found Substack down. Substack’s status page reported no incidents in that time.
- Outages in our checks, since 19 Oct
- 0
- Downtime, since 19 Oct
- None
- Longest outage
- –
- Status page incidents, since 19 Oct
- 0
Outage timeline
No outages of Substack, in our checks or on its status page, since we started checking it on 19 Oct 2026.
Open on Substack’s status page
No open incidents on Substack’s status page right now.
Substack components on its status page
- Substack publications Operational
- Writer dashboards Operational
- Email delivery Operational
- Subscription invoice processing Operational
- Substack.com Operational
- Push Notifications Operational
- Custom domains Operational
Every Substack outage since our checks started, with start, end and duration, and an Atom feed for your reader or Slack.
Show Substack’s status on your site
Does your product depend on Substack?
Uptimecheck watches Substack’s status page and your own site, and alerts your team by email, Slack, Microsoft Teams, Discord, Telegram, push or webhook when either has an outage, so you can tell your customers first.
//_06 Is it just you?
Check any website right now
One request from our server in Stockholm: if it answers there, the problem is probably your network.
Checked from Stockholm, Sweden · Free, no sign-up
More on substack.com: SSL certificate · DNS records · email setup · domain expiry
About Substack outages
Is Substack down right now?
No, Substack is not down right now: substack.com answered our check at 18:07 UTC, and Substack’s status page reports no problems.
When was Substack last down?
Our checks haven’t found Substack down since we started checking it on 19 Oct 2026.
How often does Substack go down?
Since we started checking Substack on 19 Oct 2026, our checks every 2 minutes have not found Substack down. Substack’s status page reported no incidents in that time.
How does Uptimecheck check Substack?
We request https://substack.com/ every 2 minutes from Stockholm, London and New York. Any answer below HTTP 500 within 10 seconds counts as up, since large sites often answer automated requests with 403. A failure only counts once a second check confirms it. We also read Substack’s official status page every 2 minutes.
What can I do when Substack is down?
Check Substack’s official status page for updates and try again in a few minutes. If substack.com works for us but not for you, try another network or browser, or clear your DNS cache. If your own product depends on Substack, tell your customers on your status page before they email support.
Why is Substack not working for me when it is up?
Our check shows that substack.com answers. Your own network, a VPN, browser extensions, an outdated app or a problem with your account can still break Substack for you alone. The common problems on this page list what usually helps, and when many people report the same problem, it shows here.
Can I get an alert when Substack has an outage?
Yes. Start a free trial and Uptimecheck watches Substack’s official status page for you and alerts you by email, SMS, Slack, Microsoft Teams, Discord, Telegram or webhook when it reports an outage, and again when it is resolved.
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