{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/duckduckgo/main/json-schema/instant-answer-response-schema.json",
  "title": "DuckDuckGo Instant Answer Response",
  "description": "JSON Schema for the DuckDuckGo Instant Answer API response envelope returned by api.duckduckgo.com.",
  "type": "object",
  "properties": {
    "Abstract": { "type": "string" },
    "AbstractText": { "type": "string" },
    "AbstractSource": { "type": "string" },
    "AbstractURL": { "type": "string", "format": "uri" },
    "Image": { "type": "string" },
    "ImageHeight": { "type": ["string", "integer"] },
    "ImageWidth": { "type": ["string", "integer"] },
    "ImageIsLogo": { "type": ["string", "integer"], "description": "1 if image is a logo, 0 otherwise." },
    "Heading": { "type": "string" },
    "Answer": { "type": "string" },
    "AnswerType": { "type": "string", "description": "e.g. calc, color_code, ip" },
    "Definition": { "type": "string" },
    "DefinitionSource": { "type": "string" },
    "DefinitionURL": { "type": "string" },
    "RelatedTopics": {
      "type": "array",
      "items": { "$ref": "#/$defs/RelatedTopic" }
    },
    "Results": {
      "type": "array",
      "items": { "$ref": "#/$defs/Result" }
    },
    "Type": {
      "type": "string",
      "description": "Response type code. A=article, D=disambiguation, C=category, N=name, E=exclusive, empty=nothing."
    },
    "Redirect": {
      "type": "string",
      "description": "URL to redirect to when query is a !bang."
    },
    "Entity": { "type": "string" },
    "Infobox": {
      "oneOf": [
        { "type": "string" },
        { "type": "object" }
      ]
    },
    "meta": { "type": "object", "additionalProperties": true }
  },
  "$defs": {
    "Icon": {
      "type": "object",
      "properties": {
        "URL": { "type": "string" },
        "Height": { "type": ["string", "integer"] },
        "Width": { "type": ["string", "integer"] }
      }
    },
    "Result": {
      "type": "object",
      "properties": {
        "Result": { "type": "string" },
        "Icon": { "$ref": "#/$defs/Icon" },
        "FirstURL": { "type": "string", "format": "uri" },
        "Text": { "type": "string" }
      }
    },
    "RelatedTopic": {
      "type": "object",
      "properties": {
        "Result": { "type": "string" },
        "Icon": { "$ref": "#/$defs/Icon" },
        "FirstURL": { "type": "string", "format": "uri" },
        "Text": { "type": "string" },
        "Name": { "type": "string" },
        "Topics": {
          "type": "array",
          "items": { "$ref": "#/$defs/RelatedTopic" }
        }
      }
    }
  }
}