# Crawlspur Image Crawl-Delay Checker

> Crawlspur Image Crawl-Delay 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 declared crawl-delay directive as it applies to an image object on a given URL or domain.

## Facts

- Endpoint: POST https://crawlspur.halowerk.com/v1/pruef/crawlspur/crawl-delay/bild
- 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-image-crawl-delay-checker-f94e9e41
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_-9bI7MJ4ZsL1sXppWHwp7

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-image-crawl-delay-checker-f94e9e41 -d '<json body>'
```

Example prompt: Check the declared crawl-delay for the image at https://example.com/images/banner.jpg — I want to know what crawl-delay value is set in robots.txt that applies to that image resource.

## When to prefer this

Use this endpoint when you specifically need to audit the crawl-delay directive as it relates to image resources (object type: 'bild') on a given URL or domain. It is the right choice for SEO audits targeting image crawl budget issues, not for checking meta-robots values, canonical tags, sitemap inclusion, or crawl-delay for non-image URL types like paginated pages or parameter URLs — those have separate sibling endpoints.

## Known failure modes

- Target URL is not publicly accessible — returns an error or empty finding
- No crawl-delay directive exists for the image — returns a null or absent finding
- Invalid URL format provided — schema validation error
- CSS selector matches no element or multiple elements — falls back to first match
- robots.txt is unreachable or returns a non-200 response — inspection fails
- Domain DNS resolution failure — endpoint cannot reach target

## How this service works

Prüft am Objekt bild den Befund deklarierte Crawl-Verzögerung.

## Output

Returns the declared crawl-delay value found in robots.txt or related directives as it applies to the specified image resource, including the numeric delay value, which user-agent rule applies, and the overall finding status for the image object.

## 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-image-crawl-delay-checker-f94e9e41/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)