# Product Specification Heading Hierarchy Audit

> Product Specification 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 product specification document (Markdown or plain text) to identify structural issues in heading organization.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-sector-writing-product-spec-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/product-specification-heading-hierarchy-audit-61b56a12
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_q_n9e_uu28PUETKWS1Hpr

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 product-specification-heading-hierarchy-audit-61b56a12 -d '<json body>'
```

Example prompt: Can you audit the heading hierarchy in my product spec? Here's the document: '## Overview
This product solves X.
### Goals
- Goal 1
## Features
#### Detail' — I want to know if the heading levels are properly structured and nested.

## When to prefer this

Choose this endpoint when you need a fast, deterministic, bounded audit of heading structure specifically within a product specification document. It is ideal for automated doc-quality pipelines, pre-review checks before team handoffs, or CI/CD document linting — where you need structured feedback on heading hierarchy without generative AI rewriting or fact-checking.

## Known failure modes

- Input text exceeds 20,000 character limit — request will be rejected
- Empty or missing text field — no audit can be performed
- Document contains no headings — audit may return empty or trivial result
- Non-Markdown content with no heading markers may yield limited analysis
- Payment of 0.01 USDC not fulfilled — x402 payment required before processing

## How this service works

Product specification - Heading hierarchy audit: Heading hierarchy audit for Product specification. 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 covering the structure of headings in the submitted product specification document — identifying issues such as skipped levels, improper nesting, inconsistent depth, or missing top-level headings. Output is deterministic and document-template-based with no generative prose.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "default": "## Problem\nExample 1 content.\nTODO: review the supplied document by 2026-10-10.\n\n## Requirements\nExample 2 content.\nTODO: review the supplied document by 2026-10-10.\n\n## Acceptance\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/product-specification-heading-hierarchy-audit-61b56a12/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)