# HALOWERK formwerk – Banner Einwilligungszustand-Prüfung

> HALOWERK formwerk – Banner Einwilligungszustand-Prüfung is a paid API for AI agents from formwerk.halowerk.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-23).

Checks whether a consent banner on a given URL has a valid, present consent state (Einwilligungszustand).

## Facts

- Endpoint: POST https://formwerk.halowerk.com/v1/pruef/formwerk/einwilligung/banner?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/halowerk-formwerk-banner-einwilligungszustand-pr-fung-b5134137
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_m1RLWA4b-NAqgN3h17yGS

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 halowerk-formwerk-banner-einwilligungszustand-pr-fung-b5134137 -d '<json body>'
```

Example prompt: Can you check whether the consent banner on https://example.com has a valid consent state recorded — use the CSS selector '#cookie-banner' to target the banner specifically?

## When to prefer this

Use this endpoint when you need to specifically verify whether a consent banner on a webpage has a recorded consent state — as opposed to checking cookie counts, data transmission before consent, or other compliance dimensions. This is the right choice for GDPR/ePrivacy compliance audits focused on the consent capture mechanism of banners.

## Known failure modes

- Invalid or unreachable target URL returns an error or empty result
- CSS selector matches no element or multiple elements — first match is used, which may not be the intended banner
- Target site blocks automated requests, resulting in incomplete or failed audit
- Consent banner is dynamically loaded after page render, potentially not captured
- Malformed input schema (missing required fields, URL too long) causes a 400-level error

## How this service works

Prüft am Objekt banner den Befund vorhandenen Einwilligungszustand.

## Output

Returns a finding (Befund) indicating whether the consent banner on the target URL has a present and valid consent state (Einwilligungszustand), along with audit details about the banner's compliance status.

## 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/halowerk-formwerk-banner-einwilligungszustand-pr-fung-b5134137/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from formwerk.halowerk.com](https://www.zero.xyz/host/formwerk.halowerk.com/llms.txt)