# Release Notes Heading Outline

> Release Notes 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 release notes Markdown or plain text document

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-sector-writing-release-notes-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/release-notes-heading-outline-e5685076
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_AxDMmKcoeOPJ5ffsOtAxK

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 release-notes-heading-outline-e5685076 -d '<json body>'
```

Example prompt: Can you extract the heading outline from these release notes? Here's the content: '## Added\nNew login feature.\n## Changed\nUpdated API response format.\n## Fixed\nResolved null pointer exception on startup.'

## When to prefer this

Choose this endpoint when you need a fast, deterministic heading outline extracted from release notes or changelog documents without any generative rewriting or AI summarization. Ideal for CI/CD pipelines, documentation audits, or structured indexing workflows where reproducibility and exactness matter. At $0.01 USDC per call it is cost-effective for high-volume automation.

## Known failure modes

- Input text exceeds 20,000 character limit — request rejected
- No headings detected in submitted text — empty or minimal outline returned
- Malformed Markdown with ambiguous heading syntax may yield incomplete outline
- Non-UTF-8 or binary content in text field may cause parsing errors
- Payment not included or invalid — x402 payment required before processing

## How this service works

Release notes - Heading outline: Heading outline for Release notes. 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

Returns a bounded heading outline derived from the supplied release notes Markdown or plain text, listing the document's section headings in structured order. No generative prose is produced — output reflects only headings present in the input, up to 20,000 characters of source text.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "default": "## Added\nExample 1 content.\nTODO: review the supplied document by 2026-10-10.\n\n## Changed\nExample 2 content.\nTODO: review the supplied document by 2026-10-10.\n\n## Fixed\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/release-notes-heading-outline-e5685076/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)