# Research Note Word Frequency Analyzer

> Research Note Word Frequency Analyzer is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-18).

Computes word frequencies from a supplied research note in Markdown or plain text format, up to 20,000 characters.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-sector-writing-research-note-word-frequency?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-18
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/research-note-word-frequency-analyzer-a54fe00c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_1dG6lGBJfSuSuPMurp2_4

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 research-note-word-frequency-analyzer-a54fe00c -d '<json body>'
```

Example prompt: Can you analyze my research note and count how often each word appears? Here's the text: '## Findings
The results show that temperature increased significantly. Temperature measurements were recorded daily. Daily records confirm the trend.'

## When to prefer this

Choose this endpoint when you need a deterministic, reproducible word frequency count from a research note or structured Markdown document — especially when generative AI output is not desired and you need consistent results for the same input text each time.

## Known failure modes

- Text exceeds 20,000 character limit — request will be rejected or truncated
- Empty or missing text field returns no frequencies
- Non-text binary content cannot be processed
- Payment of 0.01 USDC not settled causes x402 payment-required error

## How this service works

Research note - Word frequencies: Word frequencies for Research note. Supplied Markdown or plain text, up to 20,000 characters. Deterministic processing and document templates; no generative prose or fact checking. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded word frequencies deliverable.

## Output

A structured deliverable listing each word found in the supplied text along with its frequency count, produced deterministically without generative prose or fact-checking.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "default": "## Question\nExample 1 content.\nTODO: review the supplied document by 2026-10-10.\n\n## Method\nExample 2 content.\nTODO: review the supplied document by 2026-10-10.\n\n## Findings\nExample 3 content.\nTODO: review the supplied document by 2026-10-10.",
   "maxLength": 20000
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/research-note-word-frequency-analyzer-a54fe00c/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)