# Transcript Preparation — Trailing Mean Series + Base-100 Series

> Transcript Preparation — Trailing Mean Series + Base-100 Series is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-25).

Computes trailing mean series and base-100 indexed series for transcript preparation metrics (transcribed_minutes, source_minutes) over up to 200 supplied rows.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-writing-12-147?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-25
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/transcript-preparation-trailing-mean-series-base-100-series-b8f8e822
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ctbUeQXtzrwxcwVRZeFu3

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 transcript-preparation-trailing-mean-series-base-100-series-b8f8e822 -d '<json body>'
```

Example prompt: Run both a trailing mean series and a base-100 series on my transcript preparation data — I'm analyzing the transcribed_minutes field with a window of 3 and base index at row 0. Here are my rows: [{"row_id":"r1","document_group":"batch-a","date":"2025-01-01","transcribed_minutes":120,"source_minutes":100},{"row_id":"r2","document_group":"batch-a","date":"2025-01-02","transcribed_minutes":150,"source_minutes":110}].

## When to prefer this

Choose this endpoint when you have pre-collected transcript preparation records (transcribed_minutes, source_minutes) and need both a rolling/trailing mean time series and a base-100 normalized index series computed together in a single low-cost call. It is ideal for offline batch analysis of up to 200 rows without requiring external data lookups, predictions, or live data feeds. Prefer it over general-purpose analytics tools when you want a focused, reproducible, data-supplied computation on transcript metrics at minimal cost ($0.01 USDC for both reports).

## Known failure modes

- Fewer than 1 row supplied — validation error
- More than 200 rows supplied — exceeds maxItems limit
- Invalid date format (not YYYY-MM-DD) — schema validation failure
- window value larger than number of rows — insufficient data for trailing mean
- base_index out of range for supplied rows — index error
- Null values in transcribed_minutes or source_minutes may affect mean computation
- Payment not confirmed — x402 payment required before processing

## How this service works

Transcript preparation — Trailing mean series + Base-100 series: Trailing mean series + Base-100 series for supplied transcript preparation records (transcribed_minutes, source_minutes). 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

Two analytical reports sharing the same input rows: (1) a trailing mean series smoothing the selected metric (transcribed_minutes or source_minutes) over the specified window, and (2) a base-100 indexed series anchored at the specified base_index row — both segmented by document_group and date, covering up to 200 rows per call.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "rows": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "row_id",
     "document_group",
     "date",
     "transcribed_minutes",
     "source_minutes"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "document_group": {
      "type": "string",
      "default": "",
      "maxLength": 80
     },
     "source_minutes": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "transcribed_minutes": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "date": "2026-10-01",
     "row_id": "row-1",
     "document_group": "group-a",
     "source_minutes": 1,
     "transcribed_minutes": 10
    },
    {
     "date": "2026-10-02",
     "row_id": "row-2",
     "document_group": "group-b",
     "source_minutes": 2,
     "transcribed_minutes": 20
    },
    {
     "date": "2026-10-03",
     "row_id": "row-3",
     "document_group": "group-a",
     "source_minutes": 3,
     "transcribed_minutes": 15
    },
    {
     "date": "2026-10-04",
     "row_id": "row-4",
     "document_group": "group-b",
     "source_minutes": 4,
     "transcribed_minutes": 30
    }
   ],
   "maxItems": 200,
   "minItems": 1
  },
  "field": {
   "enum": [
    "transcribed_minutes",
    "source_minutes"
   ],
   "type": "string",
   "default": "transcribed_minutes"
  },
  "window": {
   "type": "integer",
   "default": 2,
   "maximum": 200,
   "minimum": 2
  },
  "base_index": {
   "type": "integer",
   "default": 0,
   "maximum": 199,
   "minimum": 0
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/transcript-preparation-trailing-mean-series-base-100-series-b8f8e822/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)