Outage in Buildkite

Increased REST and GraphQL API Latency

Resolved Minor
September 23, 2025 - Started 21 days ago - Lasted about 6 hours
Official incident page

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Outage Details

We are investigating reports of increased latency on our REST and GraphQL APIs
Components affected
Buildkite REST API
Latest Updates ( sorted recent to last )
RESOLVED 21 days ago - at 09/24/2025 01:41AM

We have implemented further mitigations and seen error rates and latency return to acceptable levels. We will continue to investigate the issue to better understand the causes.

MONITORING 21 days ago - at 09/24/2025 12:42AM

The p95 experience on our REST and GraphQL APIs have had a number of latency spikes, as high as 26 seconds and we saw an increase in error rates during this time. We're continuing to implement mitigations, and have seen latency and error rate return to baseline over the last 30 minutes. We are continuing to monitor the issue.

INVESTIGATING 21 days ago - at 09/23/2025 11:29PM

We've seen a recurrence on the latency issue and we're continuing to investigate.

MONITORING 21 days ago - at 09/23/2025 09:48PM

We have seen recovery on the impacted services and are investigating possible root causes

INVESTIGATING 21 days ago - at 09/23/2025 09:04PM

We are continuing to investigate this issue.

INVESTIGATING 21 days ago - at 09/23/2025 08:23PM

We have applied mitigations and are still investigating the cause of the increased latency.

INVESTIGATING 21 days ago - at 09/23/2025 07:57PM

We are investigating reports of increased latency on our REST and GraphQL APIs

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