Outage in Courier
Message Delays on Send Pipeline
Resolved Minor
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Outage Details
The Courier team has identified an issue where there are significant delays of up to 10 minutes for messages. We are currently investigating and looking for a root cause to mitigate. Updates will follow.
Components affected
Courier APILatest Updates ( sorted recent to last )
RESOLVED
2 days ago - at 06/05/2025 08:08PM
Messages have recovered and pipeline is stable again.
MONITORING
2 days ago - at 06/05/2025 07:19PM
Messages have stabilized but we will continue to monitor.
MONITORING
2 days ago - at 06/05/2025 07:14PM
Message bottleneck has cleared and the queue has stabilized. We will continue to monitor.
IDENTIFIED
2 days ago - at 06/05/2025 07:04PM
Backed-up messages were caused by a bottleneck in our system, which has started to catch up. Messages will stabilize as the bottleneck clears.
INVESTIGATING
2 days ago - at 06/05/2025 06:51PM
The Courier team has identified an issue where there are significant delays of up to 10 minutes for messages. We are currently investigating and looking for a root cause to mitigate. Updates will follow.
Latest Courier outages
EU Region – Notifications Stuck in “Queued” State - 22 days ago
AWS SES Failures - about 1 month ago
Internal Courier Error Issue - 3 months ago
Segment Event Processing Slowdowns - 4 months ago
Significant Notification Event Latency - 4 months ago
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