Google Shopping Search (US, English, 10 Results)

{
  "type": "object",
  "required": [
    "searchQuery"
  ],
  "properties": {
    "limit": {
      "enum": [
        10
      ],
      "type": "integer",
      "default": 10,
      "description": "Number of results to return. Fixed at 10."
    },
    "country": {
      "enum": [
        "us"
      ],
      "type": "string",
      "default": "us",
      "description": "The country of the results; only \"us\" (United States) is offered."
    },
    "language": {
      "enum": [
        "en"
      ],
      "type": "string",
      "default": "en",
      "description": "The language of the results; only \"en\" (English) is offered."
    },
    "searchQuery": {
      "type": "string",
      "minLength": 1,
      "description": "The product name, brand or keywords to search for."
    }
  },
  "additionalProperties": false
}

{
  "type": "object",
  "properties": {
    "results": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "price": {
            "type": "string",
            "description": "The displayed price, with its currency sign."
          },
          "shipping": {
            "type": "string",
            "description": "The delivery note shown on the listing."
          },
          "product_id": {
            "type": "string",
            "description": "The listing's product ID string, a set of catalog identifiers."
          },
          "store_name": {
            "type": "string",
            "description": "The store the listing is from."
          },
          "product_title": {
            "type": "string",
            "description": "The listing's product title."
          },
          "product_rating": {
            "type": [
              "number",
              "null"
            ],
            "description": "The average star rating out of 5; null when none is shown."
          },
          "product_page_url": {
            "type": "string",
            "description": "Link to the listing's shopping page."
          },
          "has_multiple_offers": {
            "type": [
              "boolean",
              "null"
            ],
            "description": "Whether more than one store offers the product; null when not shown."
          },
          "product_num_reviews": {
            "type": [
              "integer",
              "null"
            ],
            "description": "The number of reviews; null when none is shown."
          }
        }
      },
      "description": "Up to 10 product listings, in the order the search returned them."
    }
  },
  "description": "The first page of shopping results, as a list."
}