# Font Production Analytics — Category Frequencies + Keyed Dataset Comparison

> Font Production Analytics — Category Frequencies + 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 2026-10-29).

Analyzes font production records (glyph_count, kerning_pairs) to produce category frequency distributions and a keyed comparison between two supplied datasets, using local analytical engines with no external lookups.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-creative-18-111?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-29
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/font-production-analytics-category-frequencies-keyed-dataset-comparison-03dc084b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_wmUXKUwwc_DEkbb41fjn4

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 font-production-analytics-category-frequencies-keyed-dataset-comparison-03dc084b -d '<json body>'
```

Example prompt: Can you analyze these two sets of font production records — up to 200 rows each with glyph_count and kerning_pairs fields grouped by asset_group — and give me both a category frequency breakdown and a keyed comparison between the two datasets?

## When to prefer this

Choose this endpoint when you have font production tabular data (glyph_count, kerning_pairs) organized by asset_group and date, and need both a categorical frequency summary and a direct keyed comparison between two datasets in a single API call. It is ideal for typography pipeline QA, version diffing of font assets, or production monitoring where no external data lookup or ML prediction is needed — just fast local computation on up to 200 rows per call for $0.01 USDC.

## Known failure modes

- Input array exceeds 200 rows — request rejected
- Missing required fields (row_id, asset_group, date, glyph_count, kerning_pairs) cause validation error
- Date fields not matching YYYY-MM-DD pattern cause schema rejection
- row_id longer than 80 characters rejected
- Numeric values outside ±1,000,000,000,000 range rejected
- Empty rows array (minItems: 1 not met) causes error

## How this service works

Font production — Category frequencies + Keyed dataset comparison: Category frequencies + Keyed dataset comparison for supplied font production records (glyph_count, kerning_pairs). 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 category frequency report showing how often each asset_group (and other categorical values) appears across the supplied font production rows, and (2) a keyed dataset comparison report that aligns rows from the two input datasets by key and surfaces differences in glyph_count and kerning_pairs values. Both reports are computed locally with no external data enrichment.

## Request schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/font-production-analytics-category-frequencies-keyed-dataset-comparison-03dc084b/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)