# Substack: Increased latency and errors

- Impact (vendor’s label): major
- Status: resolved
- Started: 2025-01-21 23:44 UTC · Resolved: 2025-01-22 00:36 UTC · Duration: 53 min
- Updates: 5 · Affected components: Writer dashboards, Substack publications, Substack.com, Custom domains
- [Vendor status page: https://stspg.io/szrlsbzgs2tp](https://stspg.io/szrlsbzgs2tp)
- [Company: Substack](https://rewindex.com/company/substack.md)

## Summary

Substack reported a major incident causing increased latency and errors across its websites and applications, including custom domains, publications and writer dashboards. It started at 2025-01-21 23:44 UTC and was resolved at 2025-01-22 00:36 UTC, lasting 52 min; no specific cause or fix was stated. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2025-01-21 23:44 UTC: We are investigating reports of increased latency and errors for Substack.com, publication websites, and the Substack app.
- **investigating** 2025-01-21 23:48 UTC: We are continuing to investigate reports of increased latency and errors for all Substack websites and applications.
- **identified** 2025-01-22 00:12 UTC: We have identified the issue and are beginning to see recovery across all Substack websites and applications.
- **monitoring** 2025-01-22 00:20 UTC: Substack websites and applications are fully operational and our team is monitoring.
- **resolved** 2025-01-22 00:36 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2025-01-21 23:44 UTC: [Major incident: Increased latency and errors](https://rewindex.com/change/iae392425c33f8c.md)


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Canonical: https://rewindex.com/company/substack/incidents/tsb5m2pd4m2n · Markdown: https://rewindex.com/company/substack/incidents/tsb5m2pd4m2n.md · JSON: https://rewindex.com/api/v1/companies/substack/incidents/tsb5m2pd4m2n · Generated 2026-10-18T09:34:31.942Z