# Squarespace: Major incident: Acuity Scheduling / Webhook delivery delay

**Summary:** Squarespace reported a major Acuity Scheduling webhook delivery delay from 2026-02-11 14:08 UTC to 2026-02-11 15:57 UTC, lasting 1 h 49 min. Customers relying on webhooks faced delayed delivery; Squarespace said it identified the cause and resolved the issue but did not disclose the cause or fix. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-02-11 14:08 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/0m0v5yz6wy38](https://stspg.io/0m0v5yz6wy38)
- [Company: Squarespace](https://rewindex.com/company/squarespace.md)
- Versions: before (none: first archived) → after incident\_version:260/pljhhyxcnt0z@e19de9511760
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Acuity Scheduling / Webhook delivery delay
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-02-11 14:08 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-02-11 15:57 UTC
```

**6. Added: Update** (investigating) · 2026-02-11 14:08 UTC

```diff
+ We are currently investigating a delay in webhook delivery.
```

**7. Added: Update** (identified) · 2026-02-11 14:44 UTC

```diff
+ We have identified the cause of the webhook delivery delay, and are working toward a solution.
```

**8. Added: Update** (resolved) · 2026-02-11 15:57 UTC

```diff
+ The issue with delayed webhook delivery has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-02-11 14:08 UTC | Major incident: Acuity Scheduling / Webhook delivery delay (this change) | degradation |

All Squarespace changes: [timeline](https://rewindex.com/company/squarespace/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._


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Canonical: https://rewindex.com/change/id1b688434bb96e · Markdown: https://rewindex.com/change/id1b688434bb96e.md · JSON: https://rewindex.com/api/v1/changes/id1b688434bb96e · Generated 2026-10-18T02:54:43.208Z