{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.keywordbarrage.com/schemas/kleinanzeigen-scraper-schema.json",
  "title": "KleinanzeigenData Extraction Engine Data Extraction Schema",
  "description": "Machine-readable DaaS extraction schema for KleinanzeigenData 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",
    "listing_title_german_plz_city_area",
    "price"
  ],
  "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."
    },
    "listing_title_german_plz_city_area": {
      "type": "array",
      "description": "Listing Title, German PLZ & City Area"
    },
    "price": {
      "type": "number",
      "description": "Price (€) & Negotiation Flag (VB)"
    },
    "category": {
      "type": "string",
      "description": "Category (Wohnung, Haus, WG-Zimmer)"
    },
    "number_of_rooms": {
      "type": "string",
      "description": "Number of Rooms (Zimmer) & Area (m²)"
    },
    "cold_rent_extra_costs": {
      "type": "number",
      "description": "Cold Rent & Extra Costs (Nebenkosten)"
    },
    "movein_date": {
      "type": "string",
      "description": "Move-In Date (Verfügbar ab) & Floor"
    },
    "advertiser_type": {
      "type": "string",
      "description": "Advertiser Type (Privat / Pro) & Badges"
    },
    "key_amenities": {
      "type": "string",
      "description": "Key Amenities (Balkon, EBK, Haustiere)"
    },
    "kleinanzeigen_adid_timestamp": {
      "type": "integer",
      "description": "Kleinanzeigen Ad-ID & Timestamp"
    }
  },
  "x-sector": "real-estate-property-portals",
  "x-updated-date": "2026-10-08",
  "x-platform-slug": "kleinanzeigen-scraper",
  "x-endpoint-url": "https://www.keywordbarrage.com/scrapers/kleinanzeigen-scraper.html"
}