# Product Specification – Escaped HTML Preview

> Product Specification – Escaped HTML Preview 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).

Converts Markdown or plain text product specification documents (up to 20,000 characters) into an escaped HTML preview using deterministic document templates.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-sector-writing-product-spec-safe-html?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-escaped-html-preview-6db0ef4d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_VpSepz8TJuzFiqnoa3tPW

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-escaped-html-preview-6db0ef4d -d '<json body>'
```

Example prompt: Take this product spec I wrote in Markdown and give me an escaped HTML preview of it — here's the text: '## Problem
Users can't find what they need.

## Requirements
Search must return results in under 200ms.

## Acceptance
All acceptance tests pass with 95% coverage.'

## When to prefer this

Choose this endpoint when you need a deterministic, template-driven escaped HTML rendering of a product specification document written in Markdown or plain text. It is ideal when you want consistent, reproducible output without generative AI variability, and when the output must be HTML-safe for embedding in web pages or email templates. Prefer this over general-purpose Markdown renderers when you specifically need escaped HTML output within the x402 micropayment ecosystem at $0.01 USDC per call.

## Known failure modes

- Input text exceeds 20,000 character limit — request rejected
- Malformed or missing 'text' field — validation error returned
- Service unavailable or payment processing failure via x402 protocol
- Empty input text — may return empty or minimal HTML output

## How this service works

Product specification - Escaped HTML preview: Escaped HTML preview 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 escaped html preview deliverable.

## Output

Returns a bounded escaped HTML preview string derived from the submitted Markdown or plain text product specification. The output is deterministically generated using document templates — no generative AI prose or fact-checking is applied. The HTML is escaped/sanitized and ready for safe embedding.

## 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-escaped-html-preview-6db0ef4d/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)