# Request Latency String Normalisation and Keyed Dataset Comparison

> Request Latency String Normalisation and Keyed Dataset Comparison is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-23).

Normalises strings and compares two keyed datasets of request latency records (latency_ms, request_count) across up to 200 rows, producing 2 analytical reports.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-ib26-software-03-036?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/request-latency-string-normalisation-and-keyed-dataset-comparison-70da7172
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_mQj7UgOBymjSsGgUrmtk6

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 request-latency-string-normalisation-and-keyed-dataset-comparison-70da7172 -d '<json body>'
```

Example prompt: Compare these two sets of request latency records — one from last week and one from this week — normalise the component names, and give me a keyed comparison report showing where latency_ms and request_count differ between the two datasets.

## When to prefer this

Choose this endpoint when you need both string normalisation and keyed dataset comparison on request latency data in a single low-cost call. It is ideal for comparing two snapshots of API or service latency metrics — such as before/after a deployment, A/B test groups, or staging vs production — where you want normalised component labels and a structured diff of latency_ms and request_count values across up to 200 rows. It does not perform live lookups, predictions, or external actions, making it suitable for offline or batch analytical workflows.

## Known failure modes

- Missing required fields (row_id, component, date, latency_ms, request_count) causes validation error
- Exceeding 200 rows in either dataset results in rejection
- Invalid date format (not YYYY-MM-DD) causes schema validation failure
- Null or out-of-range numeric values for latency_ms or request_count may be flagged
- Empty primary rows array causes error (minItems: 1)
- Payment of 0.01 USDC not included causes 402 rejection

## How this service works

Request latency — String normalisation + Keyed dataset comparison: String normalisation + Keyed dataset comparison for supplied request latency records (latency_ms, request_count). 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: (1) a string normalisation report that standardises component and other string fields across the supplied rows, and (2) a keyed dataset comparison report that matches rows by key across the two supplied datasets and highlights differences in latency_ms and request_count values. No external lookups or predictions are made; all analysis is performed locally on the supplied data.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "rows": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "row_id",
     "component",
     "date",
     "latency_ms",
     "request_count"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "component": {
      "type": "string",
      "default": "",
      "maxLength": 80
     },
     "latency_ms": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "request_count": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "date": "2026-10-01",
     "row_id": "row-1",
     "component": "group-a",
     "latency_ms": 10,
     "request_count": 1
    },
    {
     "date": "2026-10-02",
     "row_id": "row-2",
     "component": "group-b",
     "latency_ms": 20,
     "request_count": 2
    },
    {
     "date": "2026-10-03",
     "row_id": "row-3",
     "component": "group-a",
     "latency_ms": 15,
     "request_count": 3
    },
    {
     "date": "2026-10-04",
     "row_id": "row-4",
     "component": "group-b",
     "latency_ms": 30,
     "request_count": 4
    }
   ],
   "maxItems": 200,
   "minItems": 1
  },
  "other": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "row_id",
     "component",
     "date",
     "latency_ms",
     "request_count"
    ],
    "properties": {
     "date": {
      "type": "string",
      "default": "",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "maxLength": 10
     },
     "row_id": {
      "type": "string",
      "default": "",
      "maxLength": 80,
      "minLength": 1
     },
     "component": {
      "type": "string",
      "default": "",
      "maxLength": 80
     },
     "latency_ms": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     },
     "request_count": {
      "type": [
       "number",
       "null"
      ],
      "maximum": 1000000000000,
      "minimum": -1000000000000
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "date": "2026-10-01",
     "row_id"
… (truncated)
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/request-latency-string-normalisation-and-keyed-dataset-comparison-70da7172/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)