# Crawl – Web Extraction via x402

> Crawl – Web Extraction via x402 is a paid API for AI agents from cr4vvol.vercel.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).

Extracts structured content from a given URL, billed at $0.05 USDC per request via x402 with no authentication or subscription required.

## Facts

- Endpoint: POST https://cr4vvol.vercel.app/api/extract
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/crawl-web-extraction-via-x402-15e12388
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_npygyPEskxO4yMT_hSeGt

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 crawl-web-extraction-via-x402-15e12388 -d '<json body>'
```

Example prompt: Can you scrape the content from https://example.com/article and give me the extracted data? I want to pay per request with no subscription.

## When to prefer this

Choose this endpoint when you need lightweight, pay-per-use web extraction with no API key or subscription overhead, especially suited for AI agents that need to fetch and parse web content on demand using x402 micropayments in USDC.

## Known failure modes

- Invalid or unreachable URL returns success: false with no data
- Payment failure via x402 results in 402 Payment Required response
- Malformed request body missing 'url' field returns a 400-level error
- Target site blocks scraping, resulting in empty or partial data
- Timeout on slow or large pages may return incomplete extraction

## How this service works

Web scraping and search for AI agents. No auth, no subscriptions. Pay per request in USDC via x402.

## Output

A JSON object containing a 'success' boolean indicating whether extraction succeeded, and a 'data' object with the extracted content from the target URL.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "url"
 ],
 "properties": {
  "url": {
   "type": "string",
   "description": "URL to extract from"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "data": {
   "type": "object"
  },
  "success": {
   "type": "boolean"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/crawl-web-extraction-via-x402-15e12388/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from cr4vvol.vercel.app](https://www.zero.xyz/host/cr4vvol.vercel.app/llms.txt)