Woocommerce Store Api Cart Item Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/woocommerce/refs/heads/main/json-structure/woocommerce-store-api-cart-item-structure.json",
  "name": "CartItem",
  "description": "A product item in the cart.",
  "type": "object",
  "properties": {
    "key": {
      "type": "string",
      "description": "Unique cart item key.",
      "example": "string-value"
    },
    "id": {
      "type": "int32",
      "description": "Product ID.",
      "example": 1
    },
    "quantity": {
      "type": "int32",
      "description": "Quantity in cart.",
      "example": 1
    },
    "variation_id": {
      "type": "int32",
      "description": "Variation ID (0 for simple products).",
      "example": 1
    },
    "item_data": {
      "type": "array",
      "description": "Custom item data (e.g. variation attributes).",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "description": "Data field name."
          },
          "value": {
            "type": "string",
            "description": "Data field value."
          },
          "display": {
            "type": "string",
            "description": "Formatted display value."
          }
        }
      },
      "example": [
        {
          "name": "Example Name",
          "value": "string-value",
          "display": "string-value"
        }
      ]
    },
    "prices": {
      "type": "object",
      "description": "Formatted price information for a product or variation.",
      "properties": {
        "price": {
          "type": "string",
          "description": "Current price as a formatted string with currency symbol.",
          "example": "string-value"
        },
        "regular_price": {
          "type": "string",
          "description": "Regular price as a formatted string.",
          "example": "string-value"
        },
        "sale_price": {
          "type": "string",
          "description": "Sale price as a formatted string (empty when not on sale).",
          "example": "string-value"
        },
        "price_range": {
          "type": "object",
          "description": "Price range for variable products.",
          "nullable": true,
          "properties": {
            "min_amount": {
              "type": "string",
              "description": "Minimum variation price."
            },
            "max_amount": {
              "type": "string",
              "description": "Maximum variation price."
            }
          },
          "example": {
            "min_amount": "string-value",
            "max_amount": "string-value"
          }
        },
        "currency_code": {
          "type": "string",
          "description": "ISO 4217 currency code.",
          "example": "string-value"
        },
        "currency_symbol": {
          "type": "string",
          "description": "Currency symbol.",
          "example": "string-value"
        },
        "currency_decimal_separator": {
          "type": "string",
          "description": "Decimal separator character.",
          "example": "string-value"
        },
        "currency_thousand_separator": {
          "type": "string",
          "description": "Thousands separator character.",
          "example": "string-value"
        },
        "currency_prefix": {
          "type": "string",
          "description": "Currency prefix (e.g. $).",
          "example": "string-value"
        },
        "currency_suffix": {
          "type": "string",
          "description": "Currency suffix.",
          "example": "string-value"
        }
      }
    },
    "name": {
      "type": "string",
      "description": "Product name at time of cart addition.",
      "example": "Example Name"
    },
    "short_description": {
      "type": "string",
      "description": "Product short description.",
      "example": "A sample description"
    },
    "images": {
      "type": "array",
      "description": "Product images.",
      "items": {
        "type": "object",
        "description": "Product image with thumbnail variants.",
        "properties": {
          "id": {
            "type": "int32",
            "description": "Image attachment ID.",
            "example": 1
          },
          "src": {
            "type": "uri",
            "description": "Full-size image URL.",
            "example": "https://example.com/path"
          },
          "thumbnail": {
            "type": "uri",
            "description": "Thumbnail image URL.",
            "example": "https://example.com/path"
          },
          "srcset": {
            "type": "string",
            "description": "Responsive image srcset attribute value.",
            "example": "string-value"
          },
          "sizes": {
            "type": "string",
            "description": "Responsive image sizes attribute value.",
            "example": "string-value"
          },
          "name": {
            "type": "string",
            "description": "Image file name.",
            "example": "Example Name"
          },
          "alt": {
            "type": "string",
            "description": "Image alternative text.",
            "example": "string-value"
          }
        }
      },
      "example": [
        "string-value"
      ]
    },
    "low_stock_remaining": {
      "type": "int32",
      "description": "Low stock quantity threshold remaining.",
      "nullable": true,
      "example": 1
    },
    "sold_individually": {
      "type": "boolean",
      "description": "Whether the product can only be purchased once per order.",
      "example": true
    }
  }
}