# Project Brief Heading Hierarchy Audit

> Project Brief 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 2026-10-15).

Audits the heading hierarchy of a project brief document (Markdown or plain text) to ensure proper structure and nesting.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-sector-writing-project-brief-heading-audit?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/project-brief-heading-hierarchy-audit-f1492d34
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_CjQPJSyQMUfXninQA0jlz

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 project-brief-heading-hierarchy-audit-f1492d34 -d '<json body>'
```

Example prompt: Can you audit the heading hierarchy in my project brief to make sure the headings are properly nested and structured? Here's the document: '## Objective
Build a new API integration.

### Requirements
List of requirements.

## Scope
In scope: backend only.

#### Budget
TBD.'

## When to prefer this

Use this endpoint when you need a fast, deterministic, low-cost ($0.01 USDC) audit of heading hierarchy structure in a project brief document. It is purpose-built for project brief documents specifically, processing Markdown or plain text up to 20,000 characters. Prefer this over general-purpose document linters when you specifically need heading nesting validation without generative or AI-written feedback.

## Known failure modes

- Text exceeds 20,000 character limit — request rejected
- Empty or missing text field — no content to audit
- Input contains no headings — audit may return trivial or empty result
- Payment of 0.01 USDC not processed — request blocked
- Non-Markdown formatted content may produce limited heading detection

## How this service works

Project brief - Heading hierarchy audit: Heading hierarchy audit for Project brief. 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 heading hierarchy audit report identifying structural issues in the submitted document's heading levels — including skipped levels, improper nesting, inconsistent hierarchy, and other heading structure problems — delivered as a single deterministic audit deliverable.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "default": "## Objective\nExample 1 content.\nTODO: review the supplied document by 2026-10-10.\n\n## Scope\nExample 2 content.\nTODO: review the supplied document by 2026-10-10.\n\n## Deliverables\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/project-brief-heading-hierarchy-audit-f1492d34/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)