# Structured Data Observations — Numeric Distribution + Keyed Dataset Comparison

> Structured Data Observations — Numeric Distribution + Keyed Dataset Comparison is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-24).

Analyzes up to 200 rows of structured observation records (valid_items, total_items) producing two local analytical reports: a numeric distribution summary and a keyed dataset comparison between two supplied datasets.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-web-08-084?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-24
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/structured-data-observations-numeric-distribution-keyed-dataset-6fc7c428
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ywkVASRwSpt28RS55OnvG

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 structured-data-observations-numeric-distribution-keyed-dataset-6fc7c428 -d '<json body>'
```

Example prompt: Analyze my observation records — I have two datasets of up to 200 rows each with valid_items and total_items per site group and date, and I want both a numeric distribution report and a keyed comparison between them using the valid_items field.

## When to prefer this

Choose this endpoint when you have structured observation records with numeric measurement fields (valid_items, total_items) and need both a statistical distribution summary and a row-keyed comparison between two datasets in a single $0.01 call. Ideal for data quality monitoring, A/B dataset audits, and batch analytics on up to 200 rows without needing live lookups, ML predictions, or external integrations.

## Known failure modes

- More than 200 rows supplied — endpoint rejects input exceeding maxItems limit
- Missing required fields (row_id, site_group, date, valid_items, total_items) cause validation errors
- Invalid date format (not YYYY-MM-DD) triggers pattern validation failure
- Null numeric values in valid_items or total_items may affect distribution statistics
- Mismatched row_ids between rows and other arrays result in unmatched keys in comparison report
- Empty rows array (minItems: 1 violation) returns an error

## How this service works

Structured data observations — Numeric distribution + Keyed dataset comparison: Numeric distribution + Keyed dataset comparison for supplied structured data observations records (valid_items, total_items). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows.

## Output

Two analytical reports: (1) a numeric distribution report showing statistical spread (e.g. min, max, mean, percentiles, histogram) for the selected field (valid_items or total_items) across the supplied rows; and (2) a keyed dataset comparison report identifying row-by-row differences between the primary and secondary dataset using row_id as the join key. All computation is local with no external data lookups.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "rows": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "row_id",
     "site_group",
     "date",
     "valid_items",
     "total_items"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "site_group": {
      "type": "string",
      "default": "",
      "maxLength": 80
     },
     "total_items": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "valid_items": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "date": "2026-10-01",
     "row_id": "row-1",
     "site_group": "group-a",
     "total_items": 1,
     "valid_items": 10
    },
    {
     "date": "2026-10-02",
     "row_id": "row-2",
     "site_group": "group-b",
     "total_items": 2,
     "valid_items": 20
    },
    {
     "date": "2026-10-03",
     "row_id": "row-3",
     "site_group": "group-a",
     "total_items": 3,
     "valid_items": 15
    },
    {
     "date": "2026-10-04",
     "row_id": "row-4",
     "site_group": "group-b",
     "total_items": 4,
     "valid_items": 30
    }
   ],
   "maxItems": 200,
   "minItems": 1
  },
  "field": {
   "enum": [
    "valid_items",
    "total_items"
   ],
   "type": "string",
   "default": "valid_items"
  },
  "other": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "row_id",
     "site_group",
     "date",
     "valid_items",
     "total_items"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "site_group": {
      "type": "string",
      "default": "",
      "maxLength": 80
     },
     "total_items": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "valid_items": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000
… (truncated)
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/structured-data-observations-numeric-distribution-keyed-dataset-6fc7c428/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)