Is Substack Down? Substack Status & Outages
Substack status updated a few minutes ago
What is Substack status right now?
Substack is having a minor outage
IsDown last checked Substack status on at . We've received 0 user reports in the past 24 hours.
Monitoring since Apr 2020
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228 incidents caught
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5 components tracked in real-time
Substack service health over the last 24 hours
This chart shows the number of user-reported issues for Substack service health over the past 24 hours, grouped into 20-minute intervals. It's normal to see occasional reports, which may be due to individual user issues rather than a broader problem.
Outage Map
See where users report Substack is down. The map shows recent Substack outages from around the world.
Substack Outage Map
Recent Substack outage reports
See what users report when Substack is down and how Substack outages affect them.
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🇺🇸 United States of America
The app immediately closes itself, tried uninstall and install again, same problem. Was working perfectly hours ago..
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🇨🇦 Canada
Gerry - The page formatting has gone haywire again - a recurrent problem at Substack, apparently..
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Substack Downtime Health — Last 90 Days
In the last 90 days, Substack had 8 incidents (2 major outages and 6 minor incidents) with a median duration of 1 hour 42 minutes.
8
Incidents
2
Major Outages
6
Minor Incidents
1
hour
Median Resolution
Recent Substack outages detected by IsDown
Full incident reports for recent Substack outages, including timelines, affected components, and resolution details.
| Title | Started At | Duration |
|---|---|---|
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We’re investigating an issue affecting reported open rates for some publishers. Current evidence ...
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Mar 27, 2026 at 10:20 PM UTC
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Ongoing |
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The issue has been identified and a fix is being implemented.
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Feb 27, 2026 at 12:41 AM UTC
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about 3 hours |
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We're aware of an issue affecting loading publisher stats
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Feb 26, 2026 at 11:10 PM UTC
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39 minutes |
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We are currently investigating this issue.
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Feb 12, 2026 at 11:29 PM UTC
IsDown detected 4 minutes before official update
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about 1 hour |
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We are investigating an issue loading substack.com
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Feb 11, 2026 at 02:24 PM UTC
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about 2 hours |
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We're currently investigating an issue affecting load times of notes and inboxes
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Jan 15, 2026 at 12:35 PM UTC
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27 minutes |
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Substack is experiencing elevated latencies. We are working to investigate the issue.
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Jan 14, 2026 at 05:38 PM UTC
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about 3 hours |
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We're experiencing a delay in processing the automated read-alouds for posts in the apps.
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Jan 05, 2026 at 05:17 PM UTC
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about 13 hours |
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We are currently observing increased latency on Substack surfaces and are investigating the issue.
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Dec 22, 2025 at 11:31 PM UTC
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about 1 hour |
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We are experiencing issues caused by a service provider, some access to Substack might be limited
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Nov 18, 2025 at 02:39 PM UTC
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about 1 hour |
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Substack Components Status
Check if any Substack component is down. View the current status of 5 services and regions.
| Component | Status | Details |
|---|---|---|
| Email delivery status | OK | View details |
| Subscription invoice processing status | OK | View details |
| Substack.com status | OK | View details |
| Substack publications status | OK | View details |
| Writer dashboards status | OK | View details |
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Monitor Substack alongside these services
Teams that track Substack status also keep an eye on these services. Add them all to your IsDown dashboard for a single view of your dependencies.
Emailable
Email Delivery
OK
Dotpost
Email Delivery
OK
Mailosaur
Email Delivery
OK
Dyspatch
Email Delivery
OK
EmailJS
Email Delivery
OK
Opensense
Email Delivery
OK
RingCentral
VoIP & Communication
OK
Tableau
Business Intelligence
OK
OpenAI
AI & ML Platforms
OK
GeForce NOW
Cloud Platforms
OK
Slack
Team Collaboration
OK
Oracle Cloud
Cloud Platforms
OK
EasyDmarc
Email Delivery
OK
Poppulo
Email Delivery
OK
Socket Labs
Email Delivery
OK
About Substack Status and Outage Monitoring
IsDown has monitored Substack continuously since April 2020, tracking this Email Delivery for 6 years. Over that time, we've documented 195 outages and incidents, averaging 2.7 per month. When Substack goes down, incidents typically resolve within 195 minutes based on historical data.
We monitor Substack's official status page across 5 components. IsDown interprets Substack statuses (operational, degraded performance, partial outage, and major outage) to deliver precise health metrics and filter alerts by the components you actually use.
To check if Substack is down, IsDown combines official status data with user reports for early detection. Vendors often delay acknowledging problems, so user reports help us alert you before the official announcement.
Engineering and operations teams rely on IsDown to track Substack status and receive verified outage alerts through Slack, Teams, PagerDuty, or 20+ other integrations.
How IsDown Monitors Substack
IsDown checks Substack's status page every few minutes, across all 5 components. We combine official status data with user reports to detect when Substack is down, often before the vendor announces it.
When Substack status changes, IsDown sends alerts to your preferred channels. Filter by severity to skip noise and focus on outages that affect your business.
What you get when monitoring Substack with IsDown
Track Substack incidents and downtimes by severity
IsDown checks Substack official status page for major/minor outages or downtimes. A major outage is when Substack experiences a critical issue that severely affects one or more services/regions. A minor incident is when Substack experiences a small issue affecting a small percentage of its customer's applications. An example is the performance degradation of an application. The moment we detect a Substack outage, we send you an alert and update your dashboard and status page.
Get alerted as soon as users report problems with Substack
Substack and other vendors don't always report outages on time. IsDown collects user reports to provide early detection of outages. This way, even without an official status update, you can stay ahead of possible problems.
All the details of Substack outages and downtimes
IsDown collects all information from the outages published in Substack status page to provide the context of the outage. If available, we gather the title, description, time of the outage, status, and outage updates. Another important piece of information is the affected services/regions which we use to filter the notifications that impact your business.
Prepare for upcoming Substack maintenance events
Substack publishes scheduled maintenance events on their status page. IsDown collects all the information for each event and creates a feed that people can follow to ensure they are not surprised by unexpected downtime or problems. We also send the feed in our weekly report, alerting the next maintenances that will take place.
Only get alerted on the Substack outages that impact your business
IsDown monitors Substack and all their 5 components that can be affected by an outage. IsDown allows you to filter the notifications and status page alerts based on the components you care about. For example, you can choose which components or regions affect your business and filter out all other outages. This way you avoid alert fatigue in your team.
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How IsDown Works
Get started in minutes. Monitor all your critical services from one place.
Step 01
We monitor official status pages
IsDown checks the status of over 6,020+ services every few minutes. We aggregate official status information and normalize it, plus collect crowdsourced reports for early outage detection.
Step 02
You get notified instantly
When we detect an incident or status change, you receive an alert immediately. Customize notifications by service, component, or severity to avoid alert fatigue.
Step 03
Everything in one dashboard
View all your services in a unified dashboard or public or private status page. Send alerts to Slack, Teams, PagerDuty, Datadog, and 20+ other tools your team already uses.
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Substack Downdetector vs IsDown
Looking for Substack outage alerts like Downdetector? IsDown monitors Substack's official status page for verified incident data, not just user reports. Know exactly when Substack is down, which components are affected, and when service health is restored. Here's why official Substack status monitoring beats crowdsourced detection:
| Features | IsDown | Downdetector |
|---|---|---|
| Official Substack status page monitoring. Know when Substack is down with real time incident details. | ||
| Monitor 6,020+ services including Substack in a single dashboard. | ||
| Instant Substack outage alerts sent to Slack, Teams, PagerDuty, and more. | ||
| Combined monitoring: Substack official status plus user reports for early outage detection. | ||
| Maintenance feed for Substack | ||
| Granular alerts filtering by Substack components and regions. |
Monitor Substack Status with IsDown
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Frequently Asked Questions
Is Substack down today?
Substack isn't down. You can check Substack status and incident details on the top of the page. IsDown continuously monitors Substack official status page every few minutes. In the last 24 hours, there were 0 outages reported.
What is the current Substack status?
Substack is currently operational. You can check Substack status and incident details on the top of the page. The status is updated in almost real-time, and you can see the latest outages and issues affecting customers.
Is there a Substack outage now?
Yes, there is an ongoing outage. You can check the details on the top of the page.
Is Substack down today or just slow?
Yes, Substack might be slow as there's an ongoing outage. You can check the details on the top of the page.
How are Substack outages detected?
IsDown monitors the Substack official status page every few minutes. We also get reports from users like you. If there are enough reports about an outage, we'll show it on the top of the page.
Is Substack having an outage right now?
Substack last outage was on March 27, 2026 with the title "Issue with reported open rates"
How often does Substack go down?
IsDown has tracked 195 Substack incidents since April 2020. When Substack goes down, incidents typically resolve within 195 minutes.
Is Substack down for everyone or just me?
Check the Substack status at the top of this page. IsDown combines official status page data with user reports to show whether Substack is down for everyone or if the issue is on your end.
What Substack components does IsDown monitor?
IsDown monitors 5 Substack components in real-time, tracking the official status page for outages, degraded performance, and scheduled maintenance.
How to check if Substack is down?
- Subscribe (if possible) to updates on the official status page.
- Create an account in IsDown. Start monitoring Substack and get alerts in real-time when Substack has outages.
Why use IsDown to monitor Substack instead of the official status page?
Because IsDown is a status page aggregator, which means that we aggregate the status of multiple cloud services. You can monitor Substack and all the services that impact your business. Get a dashboard with the health of all services and status updates. Set up notifications via Slack, Datadog, PagerDuty, and more, when a service you monitor has issues or when maintenances are scheduled.
How IsDown compares to DownDetector when monitoring Substack?
IsDown and DownDetector help users determine if Substack is having problems. The big difference is that IsDown is a status page aggregator. IsDown monitors a service's official status page to give our customers a more reliable source of information instead of just relying on reports from users. The integration allows us to provide more details about Substack's Outages, like incident title, description, updates, and the parts of the affected service. Additionally, users can create internal status pages and set up notifications for all their third-party services.
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