# Job Listing Inventories — Daily Sum Series & Adjacent Row Changes

> Job Listing Inventories — Daily Sum Series & Adjacent Row Changes is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-19).

Computes a daily sum time series and adjacent row-to-row changes for job listing inventory data (listing_count, duplicate_listings) across up to 200 supplied rows.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-company-13-137?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/job-listing-inventories-daily-sum-series-adjacent-row-changes-eadae46b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_2ePLaJ86-IzJX-wO8lNOl

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 job-listing-inventories-daily-sum-series-adjacent-row-changes-eadae46b -d '<json body>'
```

Example prompt: I have job listing inventory records for group-a and group-b from Oct 1–4 2026 — can you compute the daily sum series and the adjacent row changes for the listing_count field across those 4 rows?

## When to prefer this

Choose this endpoint when you have tabular job listing inventory data (with listing_count and/or duplicate_listings columns) and need both a daily aggregated sum series and adjacent row delta analysis in a single low-cost call. It is best suited for offline/batch analytical workflows on supplied data rather than live lookups or predictions. Ideal when you need two complementary reports (trend + change) on up to 200 rows at minimal cost.

## Known failure modes

- Missing required fields (row_id, date, company_group) causes validation error
- Dates not matching YYYY-MM-DD pattern are rejected
- Exceeding 200 rows returns an error or truncation
- Null values in the selected numeric field may affect sum/delta calculations
- Invalid field enum value (not listing_count or duplicate_listings) causes rejection
- Empty rows array rejected (minItems: 1)

## How this service works

Job listing inventories — Daily sum series + Adjacent row changes: Daily sum series + Adjacent row changes for supplied job listing inventories records (listing_count, duplicate_listings). 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 analytical reports: (1) a daily sum series aggregating the selected numeric field (listing_count or duplicate_listings) by date across all supplied rows, and (2) an adjacent row change report showing the difference between each consecutive row for the selected field. Results 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",
     "listing_count",
     "duplicate_listings"
    ],
    "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
     },
     "listing_count": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "duplicate_listings": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "date": "2026-10-01",
     "row_id": "row-1",
     "company_group": "group-a",
     "listing_count": 10,
     "duplicate_listings": 1
    },
    {
     "date": "2026-10-02",
     "row_id": "row-2",
     "company_group": "group-b",
     "listing_count": 20,
     "duplicate_listings": 2
    },
    {
     "date": "2026-10-03",
     "row_id": "row-3",
     "company_group": "group-a",
     "listing_count": 15,
     "duplicate_listings": 3
    },
    {
     "date": "2026-10-04",
     "row_id": "row-4",
     "company_group": "group-b",
     "listing_count": 30,
     "duplicate_listings": 4
    }
   ],
   "maxItems": 200,
   "minItems": 1
  },
  "field": {
   "enum": [
    "listing_count",
    "duplicate_listings"
   ],
   "type": "string",
   "default": "listing_count"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/job-listing-inventories-daily-sum-series-adjacent-row-changes-eadae46b/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)