{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://ucp.dev/2026-08-25/schemas/shopping/types/rating.json",
  "title": "Rating",
  "description": "Product rating aggregate.",
  "type": "object",
  "required": [
    "value",
    "scale_max"
  ],
  "properties": {
    "value": {
      "type": "number",
      "minimum": 0,
      "description": "Average rating value."
    },
    "scale_min": {
      "type": "number",
      "minimum": 0,
      "default": 1,
      "description": "Minimum value on the rating scale (e.g., 1 for 1-5 stars)."
    },
    "scale_max": {
      "type": "number",
      "minimum": 1,
      "description": "Maximum value on the rating scale (e.g., 5 for 5-star)."
    },
    "count": {
      "type": "integer",
      "minimum": 0,
      "description": "Number of reviews contributing to the rating."
    }
  }
}