# Project Brief Heading Outline

> Project Brief Heading Outline 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).

Extracts and returns a structured heading outline from a supplied project brief document in Markdown or plain text.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-sector-writing-project-brief-outline?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-outline-e1f854ba
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_GQnzNmwZ03ja1xu_lIzhx

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-outline-e1f854ba -d '<json body>'
```

Example prompt: Extract the heading outline from this project brief document: '## Objective
Build a new customer portal.
## Scope
Front-end only, web-based.
## Deliverables
Wireframes and a working prototype.'

## When to prefer this

Choose this endpoint when you need a deterministic, template-driven heading extraction from a project brief document. It is ideal when you need consistent, reproducible outlines without generative AI variation, and when your document is in Markdown or plain text up to 20,000 characters. It is not suitable for generating new content, fact-checking, or processing documents in other formats.

## Known failure modes

- Input text exceeds 20,000 character limit — request rejected
- No headings found in supplied text — empty outline returned
- Malformed input (non-string or missing text field) — validation error
- Payment not included or insufficient — 402 payment required response

## How this service works

Project brief - Heading outline: Heading outline 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 outline deliverable.

## Output

A bounded heading outline derived from the supplied project brief text — a structured list of headings and sub-headings extracted from the Markdown or plain-text document, delivered deterministically without generative prose or invented content.

## 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-outline-e1f854ba/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)