# Registry Snapshots — Numeric Row Ordering + Secondary-Measure Weighted Mean

> Registry Snapshots — Numeric Row Ordering + Secondary-Measure Weighted Mean is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-23).

Computes numeric row ordering and secondary-measure weighted mean for supplied registry snapshot records (registered_entities, changed_entities) across up to 200 rows in two independent reports.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-company-04-121?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/registry-snapshots-numeric-row-ordering-secondary-measure-weighted-mean-11ab1f12
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_uT3Irqdr7IoNx2pYceAFp

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 registry-snapshots-numeric-row-ordering-secondary-measure-weighted-mean-11ab1f12 -d '<json body>'
```

Example prompt: I have registry snapshot data for two company groups across four dates — can you rank the rows by registered_entities and also compute the weighted mean of registered_entities using changed_entities as the weight? Here are the rows: row-1 group-a 2026-10-01 registered=10 changed=1, row-2 group-b 2026-10-02 registered=20 changed=2, row-3 group-a 2026-10-03 registered=15 changed=3, row-4 group-b 2026-10-04 registered=30 changed=4.

## When to prefer this

Choose this endpoint when you have up to 200 registry snapshot records and need both a numeric row ranking and a weighted mean calculation in a single $0.01 call. It is ideal for offline/batch analytics on already-collected registry data where no live lookup or prediction is needed. Prefer this over general analytics endpoints when your data specifically involves registered_entities and changed_entities fields per company group and date.

## Known failure modes

- Exceeds 200-row limit — request is rejected
- Missing required fields (row_id, date, company_group, registered_entities, changed_entities) — validation error
- Invalid date format (not YYYY-MM-DD) — schema validation failure
- Numeric values outside allowed range (-1e12 to 1e12) — rejected
- Empty rows array — minimum 1 item required
- Invalid field enum value — must be 'registered_entities' or 'changed_entities'

## How this service works

Registry snapshots — Numeric row ordering + Secondary-measure weighted mean: Numeric row ordering + Secondary-measure weighted mean for supplied registry snapshots records (registered_entities, changed_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 two independent analytical reports: (1) numeric row ordering — rows ranked by the selected field (registered_entities or changed_entities), and (2) a secondary-measure weighted mean — the weighted average of the primary field using the other measure as the weight. Both reports are computed locally from the supplied data with no external lookups.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "rows": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "row_id",
     "company_group",
     "date",
     "registered_entities",
     "changed_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
     },
     "changed_entities": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "registered_entities": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "date": "2026-10-01",
     "row_id": "row-1",
     "company_group": "group-a",
     "changed_entities": 1,
     "registered_entities": 10
    },
    {
     "date": "2026-10-02",
     "row_id": "row-2",
     "company_group": "group-b",
     "changed_entities": 2,
     "registered_entities": 20
    },
    {
     "date": "2026-10-03",
     "row_id": "row-3",
     "company_group": "group-a",
     "changed_entities": 3,
     "registered_entities": 15
    },
    {
     "date": "2026-10-04",
     "row_id": "row-4",
     "company_group": "group-b",
     "changed_entities": 4,
     "registered_entities": 30
    }
   ],
   "maxItems": 200,
   "minItems": 1
  },
  "field": {
   "enum": [
    "registered_entities",
    "changed_entities"
   ],
   "type": "string",
   "default": "registered_entities"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/registry-snapshots-numeric-row-ordering-secondary-measure-weighted-mean-11ab1f12/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)