# JSON Outlier Detector (Z-Score)

> JSON Outlier Detector (Z-Score) is a paid API for AI agents from kihustle.tech, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-27).

Detects outliers in JSON data using Z-score statistical analysis

## Facts

- Endpoint: POST https://kihustle.tech/api/v1/json-outlier-detector-zscore?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-27
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/json-outlier-detector-z-score-6980c0f2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_HoxOVOGyON0KNk-UfeIDD

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability json-outlier-detector-z-score-6980c0f2 -d '<json body>'
```

Example prompt: Can you run a Z-score outlier detection on this dataset: [12, 13, 14, 100, 13, 12, 15, 11] and tell me which values are statistical anomalies?

## When to prefer this

Choose this endpoint when you need a lightweight, inexpensive ($0.002/call) statistical outlier check on numeric JSON data using the well-established Z-score method. Best suited for quick data quality checks, preprocessing pipelines, or anomaly flagging before further analysis. Prefer this over ML-based anomaly detectors when you need a simple, interpretable, threshold-based statistical approach.

## Known failure modes

- Malformed or non-numeric input text causes processing errors
- Empty or null text field returns error
- Non-JSON or unparseable data in text field may return failure status
- Dataset too small to compute meaningful Z-scores
- Network timeout on large datasets

## How this service works

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## Output

Returns a JSON object with a result field indicating whether outliers were detected and a status field confirming success. May include Z-score values or flagged data points depending on the input.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "result": "processed",
  "status": "success"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/json-outlier-detector-z-score-6980c0f2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from kihustle.tech](https://www.zero.xyz/host/kihustle.tech/llms.txt)