# AgentShelf CSS-P Paragraph Text Extractor

> AgentShelf CSS-P Paragraph Text Extractor is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-02).

Extracts paragraph text from a public web page or raw HTML by targeting CSS <p> elements, with SSRF protection.

## Facts

- Endpoint: POST https://agentshelf.syntexa.ch/v1/css-p?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agentshelf-css-p-paragraph-text-extractor-053ca888
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_u_4Yav4cT28M4m_5Sqryl

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 agentshelf-css-p-paragraph-text-extractor-053ca888 -d '<json body>'
```

Example prompt: Can you extract all the paragraph text from this webpage: https://example.com/article — I need the readable body content from the p tags.

## When to prefer this

Use this endpoint when you need to extract paragraph text from a public webpage or raw HTML and want an SSRF-safe, hosted extraction service rather than running your own scraper. Prefer this over generic scraping tools when you specifically need p-tag text content and are working in an agent context that supports x402 micropayments. Try the free sandbox endpoint POST /v1/sandbox/css-p first before paying.

## Known failure modes

- URL is blocked or returns non-200 status — extraction fails with an error
- SSRF protection blocks private/internal IP ranges — returns an error for restricted URLs
- HTML contains no <p> elements — returns empty or minimal result
- URL content is JavaScript-rendered (SPA) and server-side HTML has no paragraph text — returns empty result
- HTML input exceeds 200,000 character limit — request rejected
- URL string shorter than 8 characters or longer than 2048 — validation error
- Payment of $0.005 USDC not provided — 402 Payment Required response

## How this service works

Call when an agent needs paragraph text via p from a public page or HTML (SSRF-safe). Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/css-p first.

## Output

Returns the text content extracted from all <p> elements found in the provided URL or HTML, giving the agent the human-readable paragraph text from the page stripped of markup.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "url": {
   "type": "string",
   "maxLength": 2048,
   "minLength": 8,
   "description": "Public page to fetch. The selector or profile is fixed by the SKU. Provide url or html."
  },
  "html": {
   "type": "string",
   "examples": [
    "<!doctype html><html lang=\"en\"><head><title>Hello</title>\n<meta charset=\"utf-8\"><meta name=\"description\" content=\"Desc\">\n<link rel=\"canonical\" href=\"https://example.com/\"><link rel=\"icon\" href=\"/favicon.ico\">\n</head><body><h1>Hello</h1><a href=\"https://example.com/a\">A</a></body></html>"
   ],
   "maxLength": 200000,
   "minLength": 1,
   "description": "HTML to extract from locally. Provide html or url. When both are set, html is used."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agentshelf-css-p-paragraph-text-extractor-053ca888/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agentshelf.syntexa.ch](https://www.zero.xyz/host/agentshelf.syntexa.ch/llms.txt)