# Sindri Descriptive Statistics Summary

> Sindri Descriptive Statistics Summary is a paid API for AI agents from ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).

Computes descriptive statistics (mean, median, variance, standard deviation, and 25th/75th/90th percentiles) over a numeric array of up to 10,000 elements using R/numpy-compatible interpolation.

## Facts

- Endpoint: POST https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/statisticsSummary?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/sindri-descriptive-statistics-summary-2d5ad1f3
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_O71iqz1WmWoo1TfnsulWY

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 sindri-descriptive-statistics-summary-2d5ad1f3 -d '<json body>'
```

Example prompt: Can you give me a full descriptive statistics summary — mean, median, variance, standard deviation, and the 25th, 75th, and 90th percentiles — for this list of numbers: [12.5, 7.3, 9.8, 15.2, 6.4, 11.0, 8.7, 14.3, 10.1, 9.5]?

## When to prefer this

Choose this endpoint when you need a quick, reliable, R/numpy-compatible statistical summary of a numeric dataset without standing up your own compute. Ideal when you need all standard descriptive statistics (mean, median, variance, std dev, and three percentiles) in a single call. Prefer over manual computation when working in environments without statistical libraries or when reproducibility against R/numpy defaults is important.

## Known failure modes

- Empty array provided — endpoint requires a non-empty numeric array
- Array exceeds 10,000 element limit — request rejected
- Non-numeric values in array — schema validation error
- Malformed request body — missing 'values' field returns error
- Payment not included or insufficient — x402 payment required error

## How this service works

Descriptive statistics summary (mean, median, variance, standard deviation, and 25th/75th/90th percentiles via linear interpolation, matching R and numpy's default "type=7" method) over a numeric array of up to 10,000 elements.

## Output

Returns a JSON object containing the mean, median, variance, standard deviation, and the 25th, 75th, and 90th percentiles for the provided numeric array, computed using linear interpolation (matching R and numpy's default type=7 method).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "values": {
   "type": "array",
   "description": "Non-empty array of numbers, up to 10,000 elements."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/sindri-descriptive-statistics-summary-2d5ad1f3/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws](https://www.zero.xyz/host/ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/llms.txt)