# Form Inventories — Daily Sum Series + Keyed Dataset Comparison

> Form Inventories — Daily Sum Series + 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 2026-10-26).

Computes a daily sum time series and performs a keyed dataset comparison for supplied form inventory records with field_count and labelled_fields metrics.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-web-21-144?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-26
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/form-inventories-daily-sum-series-keyed-dataset-comparison-79273209
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ne6R5yDWhqvxHiIetELbz

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 form-inventories-daily-sum-series-keyed-dataset-comparison-79273209 -d '<json body>'
```

Example prompt: Can you run two reports on my form inventory data — a daily sum series and a keyed comparison against a second dataset — using field_count as the measure? I have up to 50 rows with columns for row_id, site_group, date, field_count, and labelled_fields.

## When to prefer this

Choose this endpoint when you have up to 200 form inventory records and need both a daily aggregated time series and a keyed comparison between two datasets in a single paid call. It is particularly useful for web form auditing workflows where you want to track field_count or labelled_fields trends over time while simultaneously diffing two inventory snapshots, all at a low fixed cost of $0.01 USDC for both reports.

## Known failure modes

- More than 200 rows submitted — endpoint enforces a 200-row maximum
- Missing required fields (row_id, site_group, date, field_count, or labelled_fields) cause validation errors
- Malformed date strings not matching YYYY-MM-DD pattern are rejected
- Null numeric values may affect aggregation totals
- Empty rows array returns an error due to minItems:1 constraint

## How this service works

Form inventories — Daily sum series + Keyed dataset comparison: Daily sum series + Keyed dataset comparison for supplied form inventories records (field_count, labelled_fields). 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 field (field_count or labelled_fields) by date, and (2) a keyed dataset comparison highlighting differences between the primary and secondary dataset rows, all computed locally without external lookups.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "rows": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "row_id",
     "site_group",
     "date",
     "field_count",
     "labelled_fields"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "site_group": {
      "type": "string",
      "default": "",
      "maxLength": 80
     },
     "field_count": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "labelled_fields": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "date": "2026-10-01",
     "row_id": "row-1",
     "site_group": "group-a",
     "field_count": 10,
     "labelled_fields": 1
    },
    {
     "date": "2026-10-02",
     "row_id": "row-2",
     "site_group": "group-b",
     "field_count": 20,
     "labelled_fields": 2
    },
    {
     "date": "2026-10-03",
     "row_id": "row-3",
     "site_group": "group-a",
     "field_count": 15,
     "labelled_fields": 3
    },
    {
     "date": "2026-10-04",
     "row_id": "row-4",
     "site_group": "group-b",
     "field_count": 30,
     "labelled_fields": 4
    }
   ],
   "maxItems": 200,
   "minItems": 1
  },
  "field": {
   "enum": [
    "field_count",
    "labelled_fields"
   ],
   "type": "string",
   "default": "field_count"
  },
  "other": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "row_id",
     "site_group",
     "date",
     "field_count",
     "labelled_fields"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "site_group": {
      "type": "string",
      "default": "",
      "maxLength": 80
     },
     "field_count": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "labelled_fields": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000
… (truncated)
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/form-inventories-daily-sum-series-keyed-dataset-comparison-79273209/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)