# Research Note Heading Outline

> Research Note 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 2026-10-18).

Generates a structured heading outline from a research note document supplied as Markdown or plain text, up to 20,000 characters.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-sector-writing-research-note-outline?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-outline-91195e2f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_-hmpgxs70F94yxXX129ds

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-outline-91195e2f -d '<json body>'
```

Example prompt: Can you extract a heading outline from this research note I wrote? Here's the full Markdown content: [paste up to 20,000 characters of research note text].

## When to prefer this

Choose this endpoint when you need a fast, deterministic heading outline from a research note document without any generative AI rewriting or fact-checking. It is ideal for structural analysis of existing research notes, building table-of-contents skeletons, or reviewing document organization programmatically. At $0.01 USDC per call it is cost-effective for high-volume document processing pipelines.

## Known failure modes

- Input text exceeds 20,000 character limit — request will be rejected or truncated
- Empty or missing text field returns no outline
- Plain text with no Markdown heading syntax may produce an empty or minimal outline
- Non-research document formats may yield unexpected heading structures
- Payment failure (insufficient USDC balance or x402 protocol error) prevents processing

## How this service works

Research note - Heading outline: Heading outline 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 outline deliverable.

## Output

A bounded heading outline deliverable extracted from the supplied research note, showing the hierarchical heading structure (e.g. H1, H2, H3 levels) present in the Markdown or plain text input. The output is deterministic — no generative prose or AI-authored content is added.

## 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-outline-91195e2f/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)