> For the complete documentation index, see [llms.txt](https://docs.kaana.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.kaana.com/guides/detection-rule-guides/billing-accuracy-rules/rule-usage-based-billing-anomaly-zuora.md).

# Rule: Usage-Based Billing Anomaly (Zuora)

**Category:** Billing Accuracy\
**Severity:** Info\
**Run Frequency:** Every 60 minutes

**Target System:** Zuora

**What It Monitors:**\
Unusual usage patterns that may indicate billing issues.

**How It Works:**

| Setting       | Value                                                 |
| ------------- | ----------------------------------------------------- |
| Data Source   | Zuora Usage Records                                   |
| Looks For     | All usage records                                     |
| Time Window   | Last 24 hours                                         |
| Triggers When | Total usage quantity exceeds 10,000 units per account |
| Groups By     | Account                                               |

**Why It Matters:**\
Anomalous usage could indicate data issues or customer behavior changes that need attention.

**Recommended Actions:**

* Verify usage data accuracy
* Check for duplicate records
* Contact customer for validation

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