Substack Status
Real-time status, uptime history and incident reports for Substack.
Service Health — Last 24 Hours
Updated every 15 min24h ago18h ago12h ago6h agoNow
Operational Degraded Outage No data
Component Status
All systems operationalSubscription invoice processing Operational
Substack.com Operational
Email delivery Operational
Push Notifications Operational
Custom domains Operational
Writer dashboards Operational
Substack publications Operational
Uptime Statistics
100.00%
Last 30 days
100.00%
Last 90 days
100.00%
Last 365 days
20
Total incidents tracked
Recent Incidents & Outages
View official page2026-03-27
Issue with reported open rates Resolved
2026-04-22
Service degraded due to a provider. Resolved
2026-02-26
We're aware of an issue causing delays in publisher stats Resolved
Publisher Stats Loading Resolved
2026-02-12
Substack Availability Issues Resolved
2026-02-11
Substack Availability Issues Resolved
2026-01-15
Issues loading Notes Resolved
2026-01-14
Elevated latencies Resolved
2026-01-05
Delays in audio read-aloud processing. Resolved
2025-12-22
Substack is experiencing issues Resolved
2025-11-18
Substack is experiencing issues Resolved
2025-11-05
Push notifications delayed on iOS Resolved
2025-10-20
Post emails delayed Resolved
2025-10-04
Post notifications are delayed Resolved
2025-09-20
Post email delivery is delayed Resolved
2025-09-15
Substack experiencing increased latency Resolved
2025-08-30
Delay in sending scheduled posts Resolved
2025-08-26
Livestream creation not working Resolved
2025-08-11
Unable to sign in on the Android app Resolved
2025-06-23
Substack Availability Issue Resolved
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