# Crawlspur Page URL Parameter Count Checker

> Crawlspur Page URL Parameter Count Checker is a paid API for AI agents from crawlspur.halowerk.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).

Checks the number of URL address parameters found on a given page object via SEO crawl analysis.

## Facts

- Endpoint: POST https://crawlspur.halowerk.com/v1/pruef/crawlspur/parameter/seite
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/crawlspur-page-url-parameter-count-checker-f258f088
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_aTVtejG9Ma65q3LdLBR_1

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 crawlspur-page-url-parameter-count-checker-f258f088 -d '<json body>'
```

Example prompt: Can you check how many URL address parameters are on the page at https://example.com/products?id=123&category=shoes&ref=nav and give me the crawl finding for parameter count?

## When to prefer this

Use this endpoint when you need to programmatically audit the number of URL query parameters on a specific page as part of a technical SEO or crawl analysis workflow, especially within the Crawlspur ecosystem which provides structured crawl findings across multiple SEO dimensions.

## Known failure modes

- Invalid or non-public URL returns an error
- URL exceeds 2048 character limit
- CSS selector matches no element or multiple elements (first match used)
- Target URL is unreachable or returns non-200 status
- Malformed user_agent pattern causes rejection

## How this service works

Prüft am Objekt seite den Befund Zahl der Adressparameter.

## Output

Returns a crawl finding (Befund) indicating the number of URL address parameters (Zahl der Adressparameter) found on the specified page object, suitable for SEO and technical auditing purposes.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "ziel": {
   "oneOf": [
    {
     "type": "string",
     "maxLength": 2048,
     "minLength": 1,
     "description": "Öffentliche HTTP(S)-Adresse; bei DNS-Befunden Domain oder öffentliche IP."
    },
    {
     "type": "object",
     "required": [
      "adresse"
     ],
     "properties": {
      "adresse": {
       "type": "string",
       "maxLength": 2048,
       "minLength": 1
      },
      "selektor": {
       "type": "string",
       "maxLength": 240,
       "minLength": 1,
       "description": "CSS-Selektor: genau ein Objekt, sonst erster Treffer des Objektfilters."
      },
      "vergleich": {
       "type": "string",
       "maxLength": 2048,
       "description": "Öffentliche Vergleichsadresse für Link-, Sitemap- oder Sprachbefunde."
      },
      "user_agent": {
       "type": "string",
       "pattern": "^[A-Za-z0-9_-]{1,80}$"
      },
      "dkim_selektor": {
       "type": "string",
       "pattern": "^[A-Za-z0-9_-]{1,63}$"
      }
     },
     "additionalProperties": false
    }
   ]
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/crawlspur-page-url-parameter-count-checker-f258f088/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from crawlspur.halowerk.com](https://www.zero.xyz/host/crawlspur.halowerk.com/llms.txt)