Use cases
Software Products E-commerce MSPs Schools Development & Marketing DevOps Agencies Help Desk
Company
Internet Status Blog Pricing Log in Get started free

Outage in Substack

Post notifications are delayed

Resolved Minor
October 04, 2025 - Started about 1 year ago - Lasted about 5 hours
Official incident page

Incident Report

We are experiencing delays in sending out email and push notifications for published posts.
Components affected
Substack Email delivery

Trusted by 1,000+ teams

The Status Page Aggregator with Early Outage Detection

Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.

IsDown status aggregator dashboard
Latest Updates ( sorted recent to last )
RESOLVED about 1 year ago - at 10/04/2025 08:29PM

This incident has been resolved.

MONITORING about 1 year ago - at 10/04/2025 07:22PM

A fix has been implemented and we are monitoring the results.

IDENTIFIED about 1 year ago - at 10/04/2025 04:25PM

The issue has been identified and a fix is being implemented.

INVESTIGATING about 1 year ago - at 10/04/2025 04:06PM

We are experiencing delays in sending out email and push notifications for published posts.

Latest Substack outages

Elevated latencies - about 23 hours ago
Delays in post delivery stats - about 1 month ago
Issues loading Notes - about 2 months ago
Delays in post delivery - 4 months ago

The Status Page Aggregator with Early Outage Detection

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 6320 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook