# Trade Observations — Duplicate Key Report + Trailing Mean Series

> Trade Observations — Duplicate Key Report + Trailing Mean Series is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-29).

Analyzes up to 200 trade observation rows to produce a duplicate key report and a trailing mean series for export_amount or import_amount fields.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-economics-06-061?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/trade-observations-duplicate-key-report-trailing-mean-series-add5bf92
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Ckifce6nd9T__y95oW5ra

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 trade-observations-duplicate-key-report-trailing-mean-series-add5bf92 -d '<json body>'
```

Example prompt: Check my trade observation records for duplicate keys and compute a 3-period trailing mean for export_amount — here are the rows: [{"row_id":"r1","region":"north","date":"2025-01-01","export_amount":100,"import_amount":50},{"row_id":"r2","region":"south","date":"2025-01-02","export_amount":200,"import_amount":75}].

## When to prefer this

Choose this endpoint when you need both a duplicate key audit and a trailing moving average computed together on the same batch of trade observation records (up to 200 rows) in a single call, without needing external data sources, live prices, or predictive modeling. It is ideal for local analytical pipelines where data quality and trend smoothing are needed simultaneously at low cost.

## Known failure modes

- Missing required fields (row_id, region, date, export_amount, import_amount) causes validation error
- Fewer than 1 row or more than 200 rows triggers schema violation
- Window size less than 2 or greater than 200 is rejected
- Invalid date format (not YYYY-MM-DD) causes parsing error
- Non-numeric values in export_amount or import_amount where number is expected
- Payment not included or insufficient USDC causes x402 payment required response

## How this service works

Trade observations — Duplicate key report + Trailing mean series: Duplicate key report + Trailing mean series for supplied trade observations records (export_amount, import_amount). 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 independent reports: (1) a duplicate key report identifying any rows with repeated keys among the supplied trade observations, and (2) a trailing mean series for the selected numeric field (export_amount or import_amount) computed over the specified window size, all processed locally without external lookups.

## Request schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/trade-observations-duplicate-key-report-trailing-mean-series-add5bf92/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)