# Crawl - Link Extractor

> Crawl - Link Extractor is a paid API for AI agents from cr4vvol.vercel.app, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).

Extracts all hyperlinks from a given URL using a pay-per-request web scraping service

## Facts

- Endpoint: POST https://cr4vvol.vercel.app/api/links
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/crawl-link-extractor-04665d87
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_iGeeGkwjPfmCvePk1hx8M

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-link-extractor-04665d87 -d '<json body>'
```

Example prompt: Can you extract all the links from https://example.com/blog so I can see what pages and resources it links to?

## When to prefer this

Choose this endpoint when you need to extract hyperlinks from a specific webpage without setting up authentication or subscriptions — ideal for one-off link discovery tasks paid per-request in USDC via x402 protocol.

## Known failure modes

- URL is unreachable or returns a non-200 status — success: false with no data
- Invalid or malformed URL input — validation error response
- Payment not fulfilled via x402 — 402 Payment Required response
- Webpage has no links or is a non-HTML resource — empty data returned
- Timeout if target page loads slowly

## How this service works

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

## Output

Returns a JSON object with a success boolean and a data object containing the extracted links found on the provided webpage URL.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "url"
 ],
 "properties": {
  "url": {
   "type": "string",
   "description": "URL to extract links 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-link-extractor-04665d87/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)