{
  "openapi": "3.1.0",
  "info": {
    "title": "Tattvakośa Classical Sanskrit Lexicon API",
    "version": "2.0.0",
    "description": "Search and retrieve 688 classical Sanskrit headwords with Amarakośa synonyms, Śrī Madhvācārya's Sarvamūla lakṣaṇas, Pāṇinian padaccheda splits, and fourfold Ekākṣara registers."
  },
  "servers": [
    {
      "url": "https://h3manth.com/fun/tattvakosha"
    }
  ],
  "paths": {
    "/api/search": {
      "get": {
        "operationId": "searchTattvakosha",
        "summary": "Search Sanskrit headwords by Devanāgarī, IAST, ASCII phonetic, or English gloss",
        "parameters": [
          {
            "name": "q",
            "in": "query",
            "required": true,
            "schema": { "type": "string" },
            "description": "Search query in Devanāgarī, IAST, ASCII Roman, or English (e.g. jiva, अग्नि, lotus)"
          },
          {
            "name": "pillar",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "enum": ["all", "kosha", "lakshana", "ekakshara", "nirukti"],
              "default": "all"
            }
          },
          {
            "name": "limit",
            "in": "query",
            "required": false,
            "schema": { "type": "integer", "minimum": 1, "maximum": 50, "default": 12 }
          }
        ],
        "responses": {
          "200": {
            "description": "Ranked Sanskrit lexicon matches",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "query": { "type": "string" },
                    "pillar": { "type": "string" },
                    "count": { "type": "integer" },
                    "results": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "properties": {
                          "id": { "type": "string" },
                          "deva": { "type": "string" },
                          "iast": { "type": "string" },
                          "pillar": { "type": "string" },
                          "domain": { "type": "string" },
                          "englishGlosses": { "type": "array", "items": { "type": "string" } },
                          "citation": { "type": "string" },
                          "url": { "type": "string" }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "/api/entry": {
      "get": {
        "operationId": "getSanskritEntry",
        "summary": "Retrieve the complete scholarly record for a headword ID",
        "parameters": [
          {
            "name": "id",
            "in": "query",
            "required": true,
            "schema": { "type": "string" },
            "description": "Entry slug, e.g. jiva, ekakshara-a, pramana, surya"
          }
        ],
        "responses": {
          "200": {
            "description": "Full Tattvakośa entry record",
            "content": {
              "application/json": {
                "schema": { "type": "object" }
              }
            }
          },
          "404": {
            "description": "Entry ID not found"
          }
        }
      }
    },
    "/api/stats": {
      "get": {
        "operationId": "getCorpusStats",
        "summary": "Return corpus counts across all 4 lexical registers and 17 thematic vargas",
        "responses": {
          "200": {
            "description": "Tattvakośa metadata and register counts",
            "content": {
              "application/json": {
                "schema": { "type": "object" }
              }
            }
          }
        }
      }
    }
  }
}