# Business Directory Coverage — Adjacent Row Changes + Equal-Width Histogram

> Business Directory Coverage — Adjacent Row Changes + Equal-Width Histogram is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-16).

Analyzes business directory coverage data (listed_entities, verified_entities) by computing adjacent row-to-row changes and an equal-width histogram, returning 2 statistical reports for up to 200 rows.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-company-14-156?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/business-directory-coverage-adjacent-row-changes-equal-width-histogram-eac10241
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_m2WVgh2Ki0FuwkkGTsWN_

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 business-directory-coverage-adjacent-row-changes-equal-width-histogram-eac10241 -d '<json body>'
```

Example prompt: Analyze my business directory coverage data for adjacent row changes and an equal-width histogram — here are 4 rows: row-1 on 2026-10-01 group-a with 10 listed and 1 verified, row-2 on 2026-10-02 group-b with 20 listed and 2 verified, row-3 on 2026-10-03 group-a with 15 listed and 3 verified, row-4 on 2026-10-04 group-b with 30 listed and 4 verified — analyze the listed_entities field using 5 bins.

## When to prefer this

Choose this endpoint when you need two simultaneous local statistical reports (sequential row deltas + frequency histogram) on business directory coverage metrics (listed_entities, verified_entities) without requiring any external data lookup, live API calls, or AI-generated predictions. Ideal for batch analytical workflows on up to 200 rows of directory snapshot data at minimal cost ($0.01 USDC for both reports).

## Known failure modes

- Rows array is empty or missing — validation error returned
- More than 200 rows supplied — request rejected with maxItems error
- Invalid date format (not YYYY-MM-DD) — schema validation failure
- bins parameter outside 1–30 range — rejected
- field value not one of listed_entities or verified_entities — enum validation error
- All values for the selected field are null — histogram may be empty or degenerate

## How this service works

Business directory coverage — Adjacent row changes + Equal-width histogram: Adjacent row changes + Equal-width histogram for supplied business directory coverage records (listed_entities, verified_entities). 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

Returns 2 analytical reports: (1) an adjacent row changes report showing the delta between consecutive rows for the selected field (listed_entities or verified_entities), and (2) an equal-width histogram report dividing the selected field's value range into the specified number of bins with frequency counts per bin. Both reports are computed locally on the supplied data with no external lookups.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "bins": {
   "type": "integer",
   "default": 5,
   "maximum": 30,
   "minimum": 1
  },
  "rows": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "row_id",
     "company_group",
     "date",
     "listed_entities",
     "verified_entities"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "company_group": {
      "type": "string",
      "default": "",
      "maxLength": 80
     },
     "listed_entities": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "verified_entities": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "date": "2026-10-01",
     "row_id": "row-1",
     "company_group": "group-a",
     "listed_entities": 10,
     "verified_entities": 1
    },
    {
     "date": "2026-10-02",
     "row_id": "row-2",
     "company_group": "group-b",
     "listed_entities": 20,
     "verified_entities": 2
    },
    {
     "date": "2026-10-03",
     "row_id": "row-3",
     "company_group": "group-a",
     "listed_entities": 15,
     "verified_entities": 3
    },
    {
     "date": "2026-10-04",
     "row_id": "row-4",
     "company_group": "group-b",
     "listed_entities": 30,
     "verified_entities": 4
    }
   ],
   "maxItems": 200,
   "minItems": 1
  },
  "field": {
   "enum": [
    "listed_entities",
    "verified_entities"
   ],
   "type": "string",
   "default": "listed_entities"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/business-directory-coverage-adjacent-row-changes-equal-width-histogram-eac10241/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)