Outage in Pusher

US3 cluster - major outage

Resolved Major

October 20, 2025 - Started 6 months ago - Lasted about 2 hours
Official incident page

Incident Report

We're seeing an increased latency and a number of 503 errors on us3 cluster. The team is investigating.

Components affected

Pusher Channels WebSocket client API Pusher Channels REST API Pusher Channels presence channels

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Latest Updates ( sorted recent to last )

RESOLVED 6 months ago - at 10/20/2025 08:41PM

This incident has been resolved.

MONITORING 6 months ago - at 10/20/2025 08:20PM

All services are now fully operational. Our team continues to monitor the system closely to ensure ongoing stability and performance.

IDENTIFIED 6 months ago - at 10/20/2025 07:59PM

Our team has identified the root cause of the issue and implemented a fix. The affected cluster is now in the process of recovering, and performance is gradually returning to normal. We will continue to closely monitor the situation until full recovery is confirmed.

IDENTIFIED 6 months ago - at 10/20/2025 07:04PM

We are currently experiencing a major outage in US3 cluster. Our engineering team is actively working to restore full functionality as quickly as possible. In the meantime, we recommend customers temporarily switch to an alternative cluster to minimize service disruption.

IDENTIFIED 6 months ago - at 10/20/2025 07:01PM

We are continuing to investigate this issue.

INVESTIGATING 6 months ago - at 10/20/2025 07:01PM

We are continuing to investigate this issue.

INVESTIGATING 6 months ago - at 10/20/2025 06:36PM

We're seeing an increased latency and a number of 503 errors on us3 cluster. The team is investigating.

Latest Pusher outages

Intermittent API errors in US2 cluster - 15 days ago

Cluster SA1: Delayed Channels webhook delivery on SA1 cluster - 21 days ago

Increased error rate on the US2 cluster - 2 months ago

Errors increase for API in cluster us3 - 3 months ago

Increased error rate on the US2 cluster impacting presence events - 3 months ago

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