# Lead Stage Low-Confidence Review Queue

> Lead Stage Low-Confidence Review Queue 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).

Identifies and surfaces low-confidence predictions from a naive-Bayes lead stage classifier across enquiry, qualified, negotiation, and closed labels for human review.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-sector-ml-lead-stage-review-queue?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/lead-stage-low-confidence-review-queue-4d8e6c60
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_m7ZD7gNxdV2kFyS7xEIUj

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 lead-stage-low-confidence-review-queue-4d8e6c60 -d '<json body>'
```

Example prompt: I have 50 labeled lead stage records with predicted classes and probabilities — can you generate a low-confidence review queue so I can see which enquiry, qualified, negotiation, and closed predictions my model was most uncertain about?

## When to prefer this

Choose this endpoint when you have up to 200 labeled lead stage text records with class probabilities from a naive-Bayes or similar local classifier and need to surface the low-confidence predictions for human review. It is purpose-built for the four-class lead pipeline (enquiry, qualified, negotiation, closed) and requires no hosted or foundation model — ideal for lightweight local evaluation workflows where you want a bounded, low-cost ($0.01 USDC) review queue output without training a new model.

## Known failure modes

- Exceeds 200 record limit — request will be rejected or truncated
- Invalid or mismatched probability array length (must be exactly 4 values summing near 1.0)
- Records missing required fields (id, text, actual, predicted, probabilities) cause validation errors
- Label values outside the enum (enquiry, qualified, negotiation, closed) are rejected
- Empty records array returns an empty or minimal deliverable with no useful flagged items

## How this service works

Lead stage - Low-confidence review queue: Low-confidence review queue for Lead stage. Up to 200 supplied labelled text records. Local dataset tools, evaluation and small naive-Bayes baselines; no hosted model or foundation-model training. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded low-confidence review queue deliverable.

## Output

A bounded deliverable containing up to 200 flagged records identified as low-confidence by the naive-Bayes lead stage classifier, including record IDs, text, actual vs predicted labels, and probability distributions — formatted as a structured review queue for human inspection.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "records": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "id",
     "text",
     "actual",
     "predicted",
     "probabilities"
    ],
    "properties": {
     "id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "text": {
      "type": "string",
      "default": "",
      "maxLength": 1000
     },
     "actual": {
      "enum": [
       "enquiry",
       "qualified",
       "negotiation",
       "closed"
      ],
      "type": "string"
     },
     "predicted": {
      "enum": [
       "enquiry",
       "qualified",
       "negotiation",
       "closed"
      ],
      "type": "string"
     },
     "probabilities": {
      "type": "array",
      "items": {
       "type": "number",
       "default": 0,
       "maximum": 1,
       "minimum": 0
      },
      "default": [],
      "maxItems": 4,
      "minItems": 4
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "id": "example-0-0",
     "text": "enquiry sample document number 0 for this supplied dataset.",
     "actual": "enquiry",
     "predicted": "enquiry",
     "probabilities": [
      0.8,
      0.06666666666666667,
      0.06666666666666667,
      0.06666666666666667
     ]
    },
    {
     "id": "example-0-1",
     "text": "enquiry sample document number 1 for this supplied dataset.",
     "actual": "enquiry",
     "predicted": "enquiry",
     "probabilities": [
      0.8,
      0.06666666666666667,
      0.06666666666666667,
      0.06666666666666667
     ]
    },
    {
     "id": "example-0-2",
     "text": "enquiry sample document number 2 for this supplied dataset.",
     "actual": "enquiry",
     "predicted": "enquiry",
     "probabilities": [
      0.8,
      0.06666666666666667,
      0.06666666666666667,
      0.06666666666666667
     ]
    },
    {
     "id": "example-1-0",
     "text": "qualified sample document number 0 for this supplied dataset.",
     "actual": "qualified",
     "predicted": "qualified",
     "probabilities": [
      0.06666666666666667,
      0.8,
      0.06666666666666667,
      0.06666666666666667
     ]
    },
    {
     "id": "example-1-1",
     "text": "qualified sample document number 1 for this supplied dataset.",
     "actual": "qualified",
     "predicted": "qualified",
     "probabilities": [
      0.06666666666666667,
      0.8,
      0.06666666666666667,
      0.06666666666666667
     ]
    },
 
… (truncated)
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/lead-stage-low-confidence-review-queue-4d8e6c60/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)