# Brand Mention Inventories — Daily Sum Series + Equal-Width Histogram

> Brand Mention Inventories — Daily Sum Series + 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 2026-10-20).

Computes a daily sum time series and an equal-width histogram for brand mention inventory data (mention_count, source_count) supplied by the caller — up to 200 rows, two reports in one call.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-company-18-139?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-20
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/brand-mention-inventories-daily-sum-series-equal-width-histogram-588a4d7c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_EvjOr8Xqk31ov3jY6b3KO

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 brand-mention-inventories-daily-sum-series-equal-width-histogram-588a4d7c -d '<json body>'
```

Example prompt: I have 4 rows of brand mention data — row-1 on 2026-10-01 for group-a with mention_count 10 and source_count 1, row-2 on 2026-10-02 for group-b with 20 and 2, row-3 on 2026-10-03 for group-a with 15 and 3, row-4 on 2026-10-04 for group-b with 30 and 4 — can you give me a daily sum series and a 5-bin histogram on the mention_count field?

## When to prefer this

Choose this endpoint when you already have brand mention inventory records in hand and need both a time-series daily sum and a histogram distribution report in a single low-cost call ($0.01 USDC). It is ideal for offline/batch analytical summarization of up to 200 rows without needing a live data connection, external prediction, or professional assessment.

## Known failure modes

- More than 200 rows submitted — request rejected or truncated
- Invalid date format (not YYYY-MM-DD) causes row rejection
- bins value outside 1–30 range returns a validation error
- Missing required row fields (row_id, date, mention_count, source_count, company_group) causes row-level errors
- Null values in the selected numeric field may be excluded from aggregation silently
- Empty rows array returns an error

## How this service works

Brand mention inventories — Daily sum series + Equal-width histogram: Daily sum series + Equal-width histogram for supplied brand mention inventories records (mention_count, source_count). 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 time series showing the total of the selected field (mention_count or source_count) aggregated by date, and (2) an equal-width histogram showing the frequency distribution of that field divided into the specified number of bins. Both reports are computed locally from the supplied rows with no external data 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",
     "mention_count",
     "source_count"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "source_count": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "company_group": {
      "type": "string",
      "default": "",
      "maxLength": 80
     },
     "mention_count": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "date": "2026-10-01",
     "row_id": "row-1",
     "source_count": 1,
     "company_group": "group-a",
     "mention_count": 10
    },
    {
     "date": "2026-10-02",
     "row_id": "row-2",
     "source_count": 2,
     "company_group": "group-b",
     "mention_count": 20
    },
    {
     "date": "2026-10-03",
     "row_id": "row-3",
     "source_count": 3,
     "company_group": "group-a",
     "mention_count": 15
    },
    {
     "date": "2026-10-04",
     "row_id": "row-4",
     "source_count": 4,
     "company_group": "group-b",
     "mention_count": 30
    }
   ],
   "maxItems": 200,
   "minItems": 1
  },
  "field": {
   "enum": [
    "mention_count",
    "source_count"
   ],
   "type": "string",
   "default": "mention_count"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/brand-mention-inventories-daily-sum-series-equal-width-histogram-588a4d7c/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)