{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.keywordbarrage.com/schemas/walmart-scraper-schema.json",
  "title": "WalmartData Extraction Engine Data Extraction Schema",
  "description": "Machine-readable DaaS extraction schema for WalmartData Extraction Engine under sector 'ecommerce-retail-marketplaces'. Optimized for LLM agents, RAG ingestion, and automated API callers.",
  "type": "object",
  "required": [
    "record_id",
    "target_url",
    "extraction_timestamp",
    "product_title_brand_manufacturer",
    "walmart_item_id_us_item_number_universal"
  ],
  "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."
    },
    "product_title_brand_manufacturer": {
      "type": "string",
      "description": "Product Title, Brand & Manufacturer / Model Number"
    },
    "walmart_item_id_us_item_number_universal": {
      "type": "integer",
      "description": "Walmart Item ID, US Item Number & Universal UPC / Barcode"
    },
    "department_aisle": {
      "type": "string",
      "description": "Department, Aisle / Shelf Location & Category Hierarchy"
    },
    "everyday_low_price_vs_rollback": {
      "type": "number",
      "description": "Everyday Low Price vs. Rollback / Clearance Discounted Price"
    },
    "walmart_membership_savings_fuel_points_f": {
      "type": "string",
      "description": "Walmart+ Membership Savings, Fuel Points & Free Shipping Tier"
    },
    "sold_shipped_by": {
      "type": "string",
      "description": "Sold & Shipped By (Walmart.com vs. Pro Seller Marketplace Merchant)"
    },
    "fulfillment_method": {
      "type": "string",
      "description": "Fulfillment Method (Pickup Today, Delivery from Store & 2-Day Shipping)"
    },
    "realtime_store_inventory_stock_delta_reg": {
      "type": "string",
      "description": "Real-Time Store Inventory, Stock Delta & Regional Availability"
    },
    "customer_star_rating_verified_purchaser_": {
      "type": "array",
      "description": "Customer Star Rating, Verified Purchaser Reviews & Q&A Count"
    },
    "detected_waf_stack": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Perimeter security technologies verified on origin platform.",
      "default": [
        "PerimeterX",
        "Akamai Bot Manager",
        "Akamai Edge CDN",
        "Envoy",
        "Next.js",
        "React",
        "Partytown",
        "Priority Hints",
        "Cart Functionality",
        "Walmart Fulfillment Services (WFS)",
        "LottieFiles",
        "Open Graph"
      ]
    }
  },
  "x-sector": "ecommerce-retail-marketplaces",
  "x-updated-date": "2026-10-08",
  "x-platform-slug": "walmart-scraper",
  "x-endpoint-url": "https://www.keywordbarrage.com/scrapers/walmart-scraper.html"
}