# MongoDB Atlas: Major incident: Increase in Billing for Backup Usage

**Summary:** MongoDB Atlas reported a major billing-only bug causing higher-than-expected backup charges on April 24, 2026 invoices; backups, cluster health and data were unaffected. The incident ran from 2026-04-27 17:16 UTC to 2026-04-27 20:50 UTC (3 h 33 min). MongoDB resolved the issue, promised automatic refunds, and said usage should display correctly by April 28th. _(machine-written, sol)_
- Kind: Major incident · Label: other (model (Jev))
- Changed: 2026-04-27 17:16 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/ryk00jrqkw7w](https://stspg.io/ryk00jrqkw7w)
- [Company: MongoDB Atlas](https://rewindex.com/company/mongodb-atlas.md)
- Versions: before (none: first archived) → after incident\_version:152/32wsqrsbhvh6@404551fc6650
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Increase in Billing for Backup Usage
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-04-27 17:16 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-04-27 20:50 UTC
```

**6. Added: Affected components**

```diff
+ MongoDB Cloud
```

**7. Added: Update** (identified) · 2026-04-27 17:16 UTC

```diff
+ We have identified a bug affecting some Atlas customers that resulted in higher-than-expected backup charges on invoices for the billing date of April 24, 2026. This is a billing-only issue; your backup configuration, cluster health, and data are unaffected. We are actively working to correct all affected invoices. Any overcharges will be automatically refunded — no action is required on your end. Please contact MongoDB Support with any questions. We will post another update by April 27 at 22:00 UTC.
```

**8. Added: Update** (resolved) · 2026-04-27 20:50 UTC

```diff
+ We have resolved the issue that caused the overage and usages should be reflected correctly by April 28th. If you still see incorrect usages after this date, please reach out to us.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-04-27 17:16 UTC | Major incident: Increase in Billing for Backup Usage (this change) | other |

All MongoDB Atlas changes: [timeline](https://rewindex.com/company/mongodb-atlas/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._


---
Canonical: https://rewindex.com/change/i1297291d8627a4 · Markdown: https://rewindex.com/change/i1297291d8627a4.md · JSON: https://rewindex.com/api/v1/changes/i1297291d8627a4 · Generated 2026-10-18T01:54:26.414Z