# Newsletter HTTP Link Inventory

> Newsletter HTTP Link Inventory 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).

Extracts and inventories all HTTP links found within a newsletter document supplied as Markdown or plain text

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-sector-writing-newsletter-link-inventory?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/newsletter-http-link-inventory-45ac0b22
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ovUi73a2Aa8xsqdlZcxQg

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 newsletter-http-link-inventory-45ac0b22 -d '<json body>'
```

Example prompt: Can you pull out and inventory all the HTTP links from this newsletter draft? Here's the content: '## Welcome
Check out our new product at https://example.com/product.
## Updates
Read more at https://blog.example.com/update.'

## When to prefer this

Choose this endpoint when you need a deterministic, bounded extraction of HTTP links from a newsletter document without any generative or AI-written output. Ideal for pre-send link audits, editorial QA workflows, or archiving link references from newsletter drafts at low cost ($0.01 per call).

## Known failure modes

- Text exceeds 20,000 character limit — request will be rejected or truncated
- No HTTP links present in the supplied text — empty inventory returned
- Malformed or non-standard URLs may not be detected or included
- Non-text or binary content passed as input will not be processed correctly

## How this service works

Newsletter - HTTP link inventory: HTTP link inventory for Newsletter. 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 http link inventory deliverable.

## Output

A bounded, deterministic inventory of all HTTP links found in the supplied newsletter text — returned as a structured list of URLs extracted from the document, with no generative prose or AI-fabricated content added.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "default": "## Introduction\nExample 1 content.\nTODO: review the supplied document by 2026-10-10.\n\n## Updates\nExample 2 content.\nTODO: review the supplied document by 2026-10-10.\n\n## Call to action\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/newsletter-http-link-inventory-45ac0b22/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)