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PubNub Outage History

Every past PubNub outage tracked by IsDown, with detection times, duration, and resolution details.

There were 134 PubNub outages since June 2018. The 16 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor March 24, 2026

March 2026: Connectivity Issues Affecting a Subset of Subscriptions

Detected Mar 24, 2026 2:21 PM MDT · Resolved Mar 24, 2026 3:16 PM MDT · Duration about 1 hour

PubNub experienced connectivity issues affecting a subset of subscriptions across several global regions, causing connection delays, increased latency, and intermittent errors when subscribing to channels. The Publish/Subscribe Service was impacted while the majority of the PubNub network continued operating normally. The engineering team identified the cause and resolved the incident after 55 minutes.