{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.cryptocompare.com/schemas/cryptocompare/newsarticle.json",
  "title": "CryptoCompare News Article",
  "description": "News article record emitted by min-api /v2/news/ and data-api /news/v1/article/list. Aggregated across hundreds of crypto-native sources.",
  "type": "object",
  "required": ["ID", "TITLE", "URL", "PUBLISHED_ON", "LANG"],
  "properties": {
    "TYPE": {"type": "string"},
    "ID": {"type": "integer"},
    "GUID": {"type": "string", "description": "Canonical URL or feed-supplied unique identifier."},
    "PUBLISHED_ON": {"type": "integer", "description": "Unix timestamp when the source published the article."},
    "PUBLISHED_ON_NS": {"type": ["integer", "null"]},
    "IMAGE_URL": {"type": "string", "format": "uri"},
    "TITLE": {"type": "string"},
    "SUBTITLE": {"type": ["string", "null"]},
    "AUTHORS": {"type": "string"},
    "URL": {"type": "string", "format": "uri"},
    "SOURCE_ID": {"type": "integer"},
    "BODY": {"type": "string", "description": "Full-text body of the article."},
    "KEYWORDS": {"type": "string", "description": "Pipe-delimited keyword list."},
    "LANG": {"type": "string", "description": "ISO 639-1 language code."},
    "UPVOTES": {"type": "integer"},
    "DOWNVOTES": {"type": "integer"},
    "SCORE": {"type": "integer"},
    "SENTIMENT": {"type": "string", "enum": ["POSITIVE", "NEUTRAL", "NEGATIVE"]},
    "STATUS": {"type": "string", "enum": ["ACTIVE", "INACTIVE", "DELETED"]},
    "CREATED_ON": {"type": "integer"},
    "UPDATED_ON": {"type": ["integer", "null"]},
    "SOURCE_DATA": {"type": "object", "description": "Source feed metadata."},
    "CATEGORY_DATA": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "TYPE": {"type": "string"},
          "ID": {"type": "integer"},
          "NAME": {"type": "string"},
          "CATEGORY": {"type": "string"}
        }
      }
    }
  }
}