# Token Assessment Evidence Coverage — Weighted Result Mean

> Token Assessment Evidence Coverage — Weighted Result Mean is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-12).

Computes a weighted mean of token assessment evidence coverage ratios from multiple observations, where each row compares observed fields to requested fields.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-bx-token-evidence-coverage-weighted-mean?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/token-assessment-evidence-coverage-weighted-result-mean-57b59472
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_DHqmTv-SBLotPCZBmTqFB

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 token-assessment-evidence-coverage-weighted-result-mean-57b59472 -d '<json body>'
```

Example prompt: Calculate the weighted mean evidence coverage for 4 token observations: rows where observed/requested fields are 8/10, 8.8/11, 8/10, and 8.8/11, using weights of 1, 2, 1, 2 respectively.

## When to prefer this

Choose this endpoint when you need a deterministic, weighted aggregate of token assessment evidence coverage ratios across multiple observations and want to control the relative importance of each observation via weights. Prefer it over simple averages when observations differ in reliability or sample size. Not suitable for live scans, real-time token safety checks, or trade recommendations.

## Known failure modes

- Fewer than 2 rows provided — minimum is 2 rows
- requested_fields set to 0 — division by zero scenario; field has exclusiveMinimum: 0
- Weights array length does not match rows array length
- More than 200 rows or 200 weights submitted — exceeds maxItems
- Non-numeric values in observed_fields or requested_fields
- Payment not included or insufficient — endpoint requires 0.01 USDC via x402

## How this service works

Token assessment evidence coverage — Weighted result mean: Weighted result mean for Token assessment evidence coverage. Supplied token observations only. Deterministic calculation or caller-threshold verdict, not a live scan, safety proof or trade recommendation. Specialised preset in a shared 50-profile, 20-operation engine. 0.01 USDC includes one bounded weighted result mean report.

## Output

A deterministic weighted mean coverage score representing the ratio of observed fields to requested fields across all supplied observation rows, weighted by the provided weights array. The result is a bounded numerical report, not a live scan or safety guarantee.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "rows": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "observed_fields",
     "requested_fields"
    ],
    "properties": {
     "observed_fields": {
      "type": "number",
      "default": 8,
      "maximum": 10000000000000000,
      "minimum": 0
     },
     "requested_fields": {
      "type": "number",
      "default": 10,
      "maximum": 10000000000000000,
      "minimum": 0,
      "exclusiveMinimum": 0
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "observed_fields": 8,
     "requested_fields": 10
    },
    {
     "observed_fields": 8.8,
     "requested_fields": 11
    },
    {
     "observed_fields": 8,
     "requested_fields": 10
    },
    {
     "observed_fields": 8.8,
     "requested_fields": 11
    }
   ],
   "maxItems": 200,
   "minItems": 2
  },
  "weights": {
   "type": "array",
   "items": {
    "type": "number",
    "default": 1,
    "maximum": 1000000000000,
    "minimum": 0
   },
   "default": [
    1,
    2,
    1,
    2
   ],
   "maxItems": 200,
   "minItems": 2
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/token-assessment-evidence-coverage-weighted-result-mean-57b59472/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)