# Tutorial Completion Base-100 Series + Equal-Width Histogram

> Tutorial Completion Base-100 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 2026-10-26).

Generates a Base-100 indexed time series and an equal-width histogram for tutorial starts/completions data supplied by the caller, using local analytical engines with no external lookups.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-game-20-163?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/tutorial-completion-base-100-series-equal-width-histogram-7b039079
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_MyChcyw27uJujwr8G67IQ

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 tutorial-completion-base-100-series-equal-width-histogram-7b039079 -d '<json body>'
```

Example prompt: Take my tutorial data — 4 rows for group-a and group-b from Oct 1–4 2026 with starts and completions — and give me a Base-100 series anchored at row 0 plus an equal-width histogram with 5 bins, both based on the 'starts' field.

## When to prefer this

Choose this endpoint when you need both a Base-100 normalized time series and an equal-width histogram generated together from the same supplied tutorial completion dataset in a single call for $0.01 USDC. It is ideal when you already have the data locally and want offline analytical summaries without any external data fetching, prediction, or professional assessment. Prefer this over building custom analytics when you need quick, reproducible indexing and distribution reports for game tutorial funnel metrics.

## Known failure modes

- More than 200 rows submitted — exceeds maxItems limit, request rejected
- Invalid date format (not YYYY-MM-DD) — schema validation error
- base_index value exceeds the number of rows provided — index out of range error
- bins value outside 1–30 range — schema validation error
- Missing required row fields (row_id, game_area, date, starts, completions) — validation failure
- Null values in starts or completions when that field is selected — may produce incomplete histogram bins
- Payment not included or insufficient USDC — x402 payment required error

## How this service works

Tutorial completion — Base-100 series + Equal-width histogram: Base-100 series + Equal-width histogram for supplied tutorial completion records (starts, completions). 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 Base-100 indexed series showing each row's value relative to the chosen base index row scaled to 100, and (2) an equal-width histogram with the specified number of bins summarizing the distribution of the selected field (starts or completions) across all supplied rows. Both reports are computed locally from the submitted data with no external 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",
     "game_area",
     "date",
     "starts",
     "completions"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "starts": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "game_area": {
      "type": "string",
      "default": "",
      "maxLength": 80
     },
     "completions": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "date": "2026-10-01",
     "row_id": "row-1",
     "starts": 10,
     "game_area": "group-a",
     "completions": 1
    },
    {
     "date": "2026-10-02",
     "row_id": "row-2",
     "starts": 20,
     "game_area": "group-b",
     "completions": 2
    },
    {
     "date": "2026-10-03",
     "row_id": "row-3",
     "starts": 15,
     "game_area": "group-a",
     "completions": 3
    },
    {
     "date": "2026-10-04",
     "row_id": "row-4",
     "starts": 30,
     "game_area": "group-b",
     "completions": 4
    }
   ],
   "maxItems": 200,
   "minItems": 1
  },
  "field": {
   "enum": [
    "starts",
    "completions"
   ],
   "type": "string",
   "default": "starts"
  },
  "base_index": {
   "type": "integer",
   "default": 0,
   "maximum": 199,
   "minimum": 0
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/tutorial-completion-base-100-series-equal-width-histogram-7b039079/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)