{
  "$id": "rss-channel-schema.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "RSS 2.0 Channel",
  "description": "Schema describing the top-level <channel> element of an RSS 2.0 feed per the RSS Advisory Board specification at https://www.rssboard.org/rss-specification. The channel is the container for the feed's metadata and a sequence of items.",
  "type": "object",
  "required": [
    "title",
    "link",
    "description"
  ],
  "properties": {
    "title": {
      "type": "string",
      "description": "The name of the channel — typically matches the corresponding website's title.",
      "examples": [
        "API Evangelist"
      ]
    },
    "link": {
      "type": "string",
      "format": "uri",
      "description": "The URL to the HTML website corresponding to the channel."
    },
    "description": {
      "type": "string",
      "description": "Phrase or sentence describing the channel."
    },
    "language": {
      "type": "string",
      "description": "Language the channel is written in (RFC 5646 language tag or W3C ISO 639 short code).",
      "examples": [
        "en-us"
      ]
    },
    "copyright": {
      "type": "string",
      "description": "Copyright notice for content in the channel."
    },
    "managingEditor": {
      "type": "string",
      "description": "Email address (and optional name) for the person responsible for editorial content.",
      "examples": [
        "editor@example.com (Editor Name)"
      ]
    },
    "webMaster": {
      "type": "string",
      "description": "Email address for the person responsible for technical issues relating to the channel."
    },
    "pubDate": {
      "type": "string",
      "description": "Publication date for the content in the channel, formatted per RFC 822."
    },
    "lastBuildDate": {
      "type": "string",
      "description": "Last time the content of the channel changed, formatted per RFC 822."
    },
    "category": {
      "type": "array",
      "description": "Categories that the channel belongs to. Each may optionally carry a domain attribute identifying the taxonomy.",
      "items": {
        "type": "object",
        "required": [
          "value"
        ],
        "properties": {
          "value": {
            "type": "string"
          },
          "domain": {
            "type": "string"
          }
        }
      }
    },
    "generator": {
      "type": "string",
      "description": "String indicating the program used to generate the channel."
    },
    "docs": {
      "type": "string",
      "format": "uri",
      "description": "URL pointing to documentation for the RSS format used (typically the RSS spec itself)."
    },
    "cloud": {
      "type": "object",
      "description": "Allows processes to register with a cloud to be notified of channel updates (rssCloud).",
      "properties": {
        "domain": {
          "type": "string"
        },
        "port": {
          "type": "integer"
        },
        "path": {
          "type": "string"
        },
        "registerProcedure": {
          "type": "string"
        },
        "protocol": {
          "type": "string"
        }
      }
    },
    "ttl": {
      "type": "integer",
      "description": "Time to live — number of minutes that indicates how long a channel can be cached before refreshing from the source.",
      "minimum": 0
    },
    "image": {
      "type": "object",
      "description": "Image that can be displayed with the channel.",
      "required": [
        "url",
        "title",
        "link"
      ],
      "properties": {
        "url": {
          "type": "string",
          "format": "uri"
        },
        "title": {
          "type": "string"
        },
        "link": {
          "type": "string",
          "format": "uri"
        },
        "width": {
          "type": "integer",
          "maximum": 144
        },
        "height": {
          "type": "integer",
          "maximum": 400
        },
        "description": {
          "type": "string"
        }
      }
    },
    "rating": {
      "type": "string",
      "description": "PICS content rating for the channel."
    },
    "textInput": {
      "type": "object",
      "description": "Specifies a text input box that can be displayed with the channel.",
      "required": [
        "title",
        "description",
        "name",
        "link"
      ],
      "properties": {
        "title": {
          "type": "string"
        },
        "description": {
          "type": "string"
        },
        "name": {
          "type": "string"
        },
        "link": {
          "type": "string",
          "format": "uri"
        }
      }
    },
    "skipHours": {
      "type": "array",
      "description": "Hours (0–23 UTC) when aggregators may skip reading the channel.",
      "items": {
        "type": "integer",
        "minimum": 0,
        "maximum": 23
      }
    },
    "skipDays": {
      "type": "array",
      "description": "Days when aggregators may skip reading the channel.",
      "items": {
        "type": "string",
        "enum": [
          "Monday",
          "Tuesday",
          "Wednesday",
          "Thursday",
          "Friday",
          "Saturday",
          "Sunday"
        ]
      }
    },
    "item": {
      "type": "array",
      "description": "The items in the channel.",
      "items": {
        "$ref": "rss-item-schema.json"
      }
    }
  },
  "additionalProperties": true
}