{
  "$id": "json-feed-item-schema.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "JSON Feed 1.1 Item",
  "description": "Schema describing a single item in a JSON Feed 1.1 document. Each item MUST have an id and at least one of content_html or content_text.",
  "type": "object",
  "required": [
    "id"
  ],
  "anyOf": [
    {
      "required": [
        "content_html"
      ]
    },
    {
      "required": [
        "content_text"
      ]
    }
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the item. SHOULD be a URL that resolves to the item's permalink for maximum interoperability."
    },
    "url": {
      "type": "string",
      "format": "uri",
      "description": "Permalink to the item on its native website."
    },
    "external_url": {
      "type": "string",
      "format": "uri",
      "description": "URL of an external page the item refers to (e.g., a link blog entry pointing elsewhere)."
    },
    "title": {
      "type": "string",
      "description": "Item title. Optional — content may stand on its own without a title (microblog-style items)."
    },
    "content_html": {
      "type": "string",
      "description": "HTML rendering of the item content. At least one of content_html or content_text MUST be provided."
    },
    "content_text": {
      "type": "string",
      "description": "Plain-text rendering of the item content."
    },
    "summary": {
      "type": "string",
      "description": "Plain-text summary, typically shown in a feed reader's item list."
    },
    "image": {
      "type": "string",
      "format": "uri",
      "description": "URL of the main image for the item."
    },
    "banner_image": {
      "type": "string",
      "format": "uri",
      "description": "URL of a banner image for the item."
    },
    "date_published": {
      "type": "string",
      "format": "date-time",
      "description": "Date the item was originally published (RFC 3339)."
    },
    "date_modified": {
      "type": "string",
      "format": "date-time",
      "description": "Date the item was last modified (RFC 3339)."
    },
    "authors": {
      "type": "array",
      "description": "Author(s) of the item.",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "url": {
            "type": "string",
            "format": "uri"
          },
          "avatar": {
            "type": "string",
            "format": "uri"
          }
        }
      }
    },
    "tags": {
      "type": "array",
      "description": "Plain-text tags applied to the item.",
      "items": {
        "type": "string"
      }
    },
    "language": {
      "type": "string",
      "description": "Item language (RFC 5646)."
    },
    "attachments": {
      "type": "array",
      "description": "Related resources such as podcast episodes (audio/mp3) or video files attached to the item.",
      "items": {
        "type": "object",
        "required": [
          "url",
          "mime_type"
        ],
        "properties": {
          "url": {
            "type": "string",
            "format": "uri"
          },
          "mime_type": {
            "type": "string",
            "examples": [
              "audio/mpeg"
            ]
          },
          "title": {
            "type": "string"
          },
          "size_in_bytes": {
            "type": "integer",
            "minimum": 0
          },
          "duration_in_seconds": {
            "type": "number",
            "minimum": 0
          }
        }
      }
    }
  },
  "additionalProperties": true
}