{
  "$schema": "https://json-structure.org/draft/2025/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/duckduckgo/main/json-structure/instant-answer-response-structure.json",
  "title": "DuckDuckGo Instant Answer Response Structure",
  "type": "object",
  "fields": [
    { "name": "Heading", "type": "string", "description": "Topic heading" },
    { "name": "Abstract", "type": "string", "description": "Topic summary, may contain HTML" },
    { "name": "AbstractText", "type": "string", "description": "Topic summary, plain text" },
    { "name": "AbstractSource", "type": "string", "description": "Source name (commonly Wikipedia)" },
    { "name": "AbstractURL", "type": "string", "format": "uri" },
    { "name": "Image", "type": "string", "description": "Image path or URL" },
    { "name": "Answer", "type": "string", "description": "Direct answer text (e.g. calculator result)" },
    { "name": "AnswerType", "type": "string", "description": "Type discriminator for Answer" },
    { "name": "Definition", "type": "string" },
    { "name": "Type", "type": "string", "description": "A=article, D=disambiguation, C=category, N=name, E=exclusive, empty=none" },
    { "name": "Redirect", "type": "string", "description": "Set when query is a !bang" },
    { "name": "RelatedTopics", "type": "array", "items": "RelatedTopic" },
    { "name": "Results", "type": "array", "items": "Result" }
  ],
  "discriminators": {
    "ResponseShape": {
      "by": "Type",
      "map": {
        "A": "TopicAbstract",
        "D": "Disambiguation",
        "C": "Category",
        "N": "Name",
        "E": "Exclusive",
        "": "BangOrNone"
      }
    }
  }
}