# Buildkite: Major incident: Elevated API latency (single customer)

> Major incident: Elevated API latency (single customer). Detected 2026-11-04 by Rewindex: what changed on Buildkite’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/idd90ff640d652f
Last updated: 2026-11-04T23:43:45Z

**Summary:** _summary pending_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-10-21 18:00 UTC · Detected: 2026-11-04 23:43 UTC
- [Source: https://www.buildkitestatus.com/incidents/6rf7l504q7nh](https://www.buildkitestatus.com/incidents/6rf7l504q7nh)
- [Company: Buildkite](https://rewindex.com/company/buildkite.md)
- Versions: before (none: first archived) → after incident\_version:178/6rf7l504q7nh@c92796ee0bde
- Change 1 of 1 for this incident

Incident page (full timeline): [Elevated API latency (single customer)](https://rewindex.com/company/buildkite/incidents/6rf7l504q7nh.md)
## What changed

**1. Added: Title**

```diff
+ Elevated API latency (single customer)
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-21 18:00 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-21 18:00 UTC
```

**6. Added: Update** (resolved) · 2026-10-21 18:00 UTC

```diff
+ We received a report that API requests were taking abnormally long to process. Investigation revealed this to be isolated to a single customer shard, with impact between 2026-10-22 01:50 - 08:30 UTC.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-21 18:00 UTC | Major incident: Elevated API latency (single customer) (this change) | degradation |

All Buildkite changes: [timeline](https://rewindex.com/company/buildkite/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._

## Cite this

Major incident: Elevated API latency (single customer) on Buildkite’s status page, changed 2026-10-21 18:00 UTC (change 1 of 1).

- Canonical URL: https://rewindex.com/change/idd90ff640d652f
- Citation: Buildkite, “Major incident: Elevated API latency (single customer)” (2026-10-21 18:00 UTC). Archived by Rewindex: https://rewindex.com/change/idd90ff640d652f (CC BY 4.0).
- Markdown link: `[Buildkite: Major incident: Elevated API latency (single customer) (2026-10-21)](https://rewindex.com/change/idd90ff640d652f)`


---
Canonical: https://rewindex.com/change/idd90ff640d652f · Markdown: https://rewindex.com/change/idd90ff640d652f.md · JSON: https://rewindex.com/api/v1/changes/idd90ff640d652f · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-11T04:19:50.628Z