# HALOWERK Baumarkt Word-Gap Index

> HALOWERK Baumarkt Word-Gap Index is a paid API for AI agents from medien.halowerk.com, paid per call via x402, $0.031/call, status unknown (last checked 2026-10-22).

Computes a word-gap index score for media content in the Baumarkt (hardware/home-improvement) domain

## Facts

- Endpoint: POST https://medien.halowerk.com/v1/baumarkt/media/word-gap-index?utm_source=zero.xyz
- Price: $0.031/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-22
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/halowerk-baumarkt-word-gap-index-93b8f9f9
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ilmO5j6Y0fXFmFV1Z0d9F

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-baumarkt-word-gap-index-93b8f9f9 -d '<json body>'
```

Example prompt: Can you calculate the word-gap index for this Baumarkt product description: 'Hochwertige Bohrmaschine mit 800W Motor, stufenloser Drehzahlregelung und integriertem Staubschutz — ideal für Holz und Leichtmetall'?

## When to prefer this

Choose this endpoint when you need a domain-specific word-gap readability metric specifically calibrated for Baumarkt (hardware/home-improvement) media content in German-language retail contexts, rather than a general-purpose readability scorer.

## Known failure modes

- Missing or empty text body returns validation error
- Non-Baumarkt or off-domain content may yield low-confidence or irrelevant scores
- Payment failure via x402 protocol results in 402 Payment Required response
- Malformed JSON request body returns 400 Bad Request
- Very short texts may produce unreliable index scores

## How this service works

HALOWERK medienwerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.

## Output

Returns a JSON object containing the word-gap index score and associated metrics for the submitted Baumarkt-domain text, indicating the vocabulary complexity or accessibility gap in the content.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "source": {
   "type": "object",
   "oneOf": [
    {
     "required": [
      "url"
     ]
    },
    {
     "required": [
      "content_base64"
     ]
    }
   ],
   "properties": {
    "url": {
     "type": "string",
     "pattern": "^https?://",
     "maxLength": 2048
    },
    "filename": {
     "type": "string",
     "maxLength": 260
    },
    "content_base64": {
     "type": "string",
     "maxLength": 12000000,
     "minLength": 4
    }
   },
   "additionalProperties": false
  },
  "language": {
   "enum": [
    "de",
    "en",
    "es",
    "fr",
    "it",
    "nl",
    "pt",
    "multi"
   ],
   "type": "string"
  },
  "duration_minutes": {
   "type": "integer",
   "maximum": 30,
   "minimum": 1
  },
  "confidence_threshold": {
   "type": "number",
   "maximum": 1,
   "minimum": 0
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/halowerk-baumarkt-word-gap-index-93b8f9f9/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from medien.halowerk.com](https://www.zero.xyz/host/medien.halowerk.com/llms.txt)