{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.keywordbarrage.com/schemas/immowelt-scraper-schema.json",
  "title": "ImmoweltData Extraction Engine Data Extraction Schema",
  "description": "Machine-readable DaaS extraction schema for ImmoweltData Extraction Engine under sector 'real-estate-property-portals'. Optimized for LLM agents, RAG ingestion, and automated API callers.",
  "type": "object",
  "required": [
    "record_id",
    "target_url",
    "extraction_timestamp",
    "property_title_german_plz",
    "kaltmiete_warmmiete_nebenkosten"
  ],
  "properties": {
    "record_id": {
      "type": "string",
      "format": "uuid",
      "description": "Unique deterministic ingestion identifier for the extracted record."
    },
    "target_url": {
      "type": "string",
      "format": "uri",
      "description": "Source URL inspected and extracted by KeywordBarrage engine."
    },
    "extraction_timestamp": {
      "type": "string",
      "format": "date-time",
      "description": "ISO-8601 UTC timestamp of execution."
    },
    "property_title_german_plz": {
      "type": "string",
      "description": "Property Title & German PLZ / Region"
    },
    "kaltmiete_warmmiete_nebenkosten": {
      "type": "string",
      "description": "Kaltmiete, Warmmiete & Nebenkosten (€)"
    },
    "purchase_price": {
      "type": "number",
      "description": "Purchase Price (€) & Price per m²"
    },
    "number_of_rooms": {
      "type": "string",
      "description": "Number of Rooms (Zimmer) & Area (m²)"
    },
    "energy_certificate_class": {
      "type": "string",
      "description": "Energy Certificate & Class (A+ - H)"
    },
    "construction_year_condition": {
      "type": "string",
      "description": "Construction Year & Condition"
    },
    "available_date": {
      "type": "string",
      "description": "Available Date (Bezugsfrei ab)"
    },
    "key_features": {
      "type": "string",
      "description": "Key Features (Balkon, EBK, Aufzug)"
    },
    "immowelt_onlineid_agency_attribution": {
      "type": "integer",
      "description": "Immowelt Online-ID & Agency Attribution"
    }
  },
  "x-sector": "real-estate-property-portals",
  "x-updated-date": "2026-10-08",
  "x-platform-slug": "immowelt-scraper",
  "x-endpoint-url": "https://www.keywordbarrage.com/scrapers/immowelt-scraper.html"
}