{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/jokeapi/refs/heads/main/json-schema/jokeapi-categories-response-schema.json",
  "title": "CategoriesResponse",
  "description": "Categories metadata envelope.",
  "type": "object",
  "properties": {
    "error": {
      "type": "boolean",
      "example": false
    },
    "categories": {
      "type": "array",
      "description": "Canonical category names accepted by `/joke/{category}`.",
      "items": {
        "type": "string"
      },
      "example": [
        "Any",
        "Misc",
        "Programming",
        "Dark",
        "Pun",
        "Spooky",
        "Christmas"
      ]
    },
    "categoryAliases": {
      "type": "array",
      "description": "Aliases that resolve to a canonical category.",
      "items": {
        "type": "object",
        "properties": {
          "alias": {
            "type": "string",
            "example": "Coding"
          },
          "resolved": {
            "type": "string",
            "example": "Programming"
          }
        }
      }
    },
    "timestamp": {
      "type": "integer",
      "description": "Server-side Unix epoch timestamp in milliseconds.",
      "example": 1780051223357
    }
  },
  "required": [
    "error",
    "categories",
    "timestamp"
  ]
}