# Research Note Heading Hierarchy Audit

> Research Note Heading Hierarchy Audit 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).

Audits the heading hierarchy of a research note document supplied as Markdown or plain text, returning a structured analysis of heading structure and organization.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-sector-writing-research-note-heading-audit?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-heading-hierarchy-audit-ba7c3af4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_a_j5aqjnc8SysW7ZlDVL5

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-heading-hierarchy-audit-ba7c3af4 -d '<json body>'
```

Example prompt: Can you audit the heading hierarchy of my research note and flag any structural issues or skipped heading levels? Here's the Markdown: ## Introduction
Some text.
#### Deep Dive
More text.
## Findings
Conclusion text.

## When to prefer this

Choose this endpoint when you need a fast, deterministic, low-cost audit of heading hierarchy specifically for research notes formatted in Markdown or plain text. It is purpose-built for the research note document type within a suite of 25 writing-sector profiles, so it applies domain-appropriate structural rules for that format. Prefer it over generic linting tools when you need a bounded, reproducible result without generative AI inference or fact-checking overhead.

## Known failure modes

- Input text exceeds 20,000 character limit — request rejected
- Empty or missing text field — no headings to audit
- Plain text with no Markdown headings — audit returns no hierarchy data
- Malformed Markdown syntax may produce unexpected heading detection results
- Payment failure via x402 protocol — endpoint returns 402 before processing

## How this service works

Research note - Heading hierarchy audit: Heading hierarchy audit 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 heading hierarchy audit deliverable.

## Output

A bounded, deterministic audit report of the heading hierarchy within the supplied research note, identifying structural issues such as skipped heading levels, inconsistent nesting, or improper heading organization. No generative prose or fact-checking is performed — output is a structured analysis of the document's heading structure only.

## 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-heading-hierarchy-audit-ba7c3af4/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)