{
  "openapi": "3.1.0",
  "info": {
    "title": "Avena Terminal API",
    "version": "1.0.0",
    "description": "Spain's first AI-native property intelligence API. 1,881+ scored new-build properties across Costa Blanca, Costa Calida and Costa del Sol. Includes deal scoring, yield analysis, market data, investment signals, buyer personas and semantic search.",
    "contact": {
      "name": "Avena Terminal",
      "url": "https://avenaterminal.com",
      "email": "henrik@xaviaestate.com"
    },
    "license": {
      "name": "Commercial + CC BY 4.0 (open datasets)",
      "url": "https://avenaterminal.com/ai-compliance"
    },
    "x-logo": {
      "url": "https://avenaterminal.com/favicon.svg"
    }
  },
  "servers": [
    {
      "url": "https://avenaterminal.com/api",
      "description": "Production"
    }
  ],
  "paths": {
    "/knowledge": {
      "get": {
        "summary": "Knowledge API",
        "description": "Ask any question about Spanish property in natural language. Returns structured answer with confidence score and DOI citation.",
        "parameters": [
          {
            "name": "q",
            "in": "query",
            "required": true,
            "schema": { "type": "string" },
            "example": "average price costa blanca"
          }
        ],
        "responses": {
          "200": {
            "description": "Structured answer",
            "content": {
              "application/json": {
                "example": {
                  "query": "average price costa blanca",
                  "answer": "The average asking price for new builds in Costa Blanca is €350,000.",
                  "confidence": 0.95,
                  "data_points": 1200,
                  "source": "Avena Terminal",
                  "doi": "10.5281/zenodo.19520064"
                }
              }
            }
          }
        }
      }
    },
    "/index-data": {
      "get": {
        "summary": "Avena Property Index",
        "description": "Composite property price index for Spanish coastal markets. Base 100 = Q1 2024.",
        "responses": {
          "200": {
            "description": "Index series data",
            "content": {
              "application/json": {
                "example": {
                  "index_name": "Avena Costa Blanca Property Index",
                  "series": { "AVENA-CB": [{ "quarter": "Q1 2024", "value": 100 }] }
                }
              }
            }
          }
        }
      }
    },
    "/personas": {
      "get": {
        "summary": "Buyer Personas",
        "description": "5 European investor archetypes auto-matched to top deals.",
        "responses": { "200": { "description": "Persona matches" } }
      }
    },
    "/corpus": {
      "get": {
        "summary": "Pre-Training Corpus",
        "description": "250+ Q&A pairs for LLM training. CC BY 4.0.",
        "responses": { "200": { "description": "Training corpus" } }
      }
    },
    "/synthetic": {
      "get": {
        "summary": "Synthetic Dataset",
        "description": "Generate up to 50k synthetic properties from real distributions.",
        "parameters": [
          { "name": "limit", "in": "query", "schema": { "type": "integer", "default": 1000, "maximum": 50000 } }
        ],
        "responses": { "200": { "description": "Synthetic dataset" } }
      }
    },
    "/propertyeval": {
      "get": {
        "summary": "PropertyEval Benchmark",
        "description": "100 scenarios for evaluating AI property investment advice.",
        "responses": { "200": { "description": "Benchmark scenarios" } }
      }
    },
    "/history": {
      "get": {
        "summary": "Price History",
        "description": "Historical price tracking. Market-level or per-property.",
        "parameters": [
          { "name": "ref", "in": "query", "schema": { "type": "string" }, "description": "Property ref for individual history" }
        ],
        "responses": { "200": { "description": "Price history data" } }
      }
    },
    "/cited": {
      "get": {
        "summary": "AI Citation Counter",
        "description": "Live count of MCP tool calls and AI citations.",
        "responses": { "200": { "description": "Citation stats" } }
      }
    },
    "/agents/register": {
      "post": {
        "summary": "Register AI Agent",
        "description": "Register your AI agent with the Avena Terminal Agent Registry.",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["agent_name", "developer_name", "developer_email"],
                "properties": {
                  "agent_name": { "type": "string" },
                  "developer_name": { "type": "string" },
                  "developer_email": { "type": "string", "format": "email" },
                  "use_case": { "type": "string" },
                  "website": { "type": "string", "format": "uri" }
                }
              }
            }
          }
        },
        "responses": { "200": { "description": "Agent registered with credentials" } }
      }
    },
    "/agents/stats": {
      "get": {
        "summary": "Agent Registry Stats",
        "description": "Statistics on registered AI agents.",
        "responses": { "200": { "description": "Registry stats" } }
      }
    },
    "/search/semantic": {
      "post": {
        "summary": "Semantic Property Search",
        "description": "Natural language property search. AI parses your query into filters.",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["query"],
                "properties": {
                  "query": { "type": "string", "example": "3-bed villa near beach under 350k with sea views" }
                }
              }
            }
          }
        },
        "responses": { "200": { "description": "Matched properties" } }
      }
    },
    "/chat": {
      "post": {
        "summary": "The Oracle AI Chat",
        "description": "AI property advisor with live data context.",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": ["message"],
                "properties": {
                  "message": { "type": "string" },
                  "history": { "type": "array", "items": { "type": "object" } }
                }
              }
            }
          }
        },
        "responses": { "200": { "description": "AI response" } }
      }
    },
    "/a2a": {
      "post": {
        "summary": "A2A Agent Communication",
        "description": "Google A2A protocol endpoint for agent-to-agent communication.",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "jsonrpc": { "type": "string", "const": "2.0" },
                  "method": { "type": "string" },
                  "params": { "type": "object" }
                }
              }
            }
          }
        },
        "responses": { "200": { "description": "A2A task result" } }
      },
      "get": {
        "summary": "A2A Agent Card",
        "description": "Returns the A2A agent card with capabilities and skills.",
        "responses": { "200": { "description": "Agent card JSON" } }
      }
    }
  },
  "components": {
    "schemas": {
      "Property": {
        "type": "object",
        "properties": {
          "ref": { "type": "string" },
          "project": { "type": "string" },
          "developer": { "type": "string" },
          "location": { "type": "string" },
          "region": { "type": "string" },
          "type": { "type": "string", "enum": ["Villa", "Apartment", "Penthouse", "Townhouse", "Bungalow"] },
          "price": { "type": "number" },
          "pricePerM2": { "type": "number" },
          "builtM2": { "type": "number" },
          "bedrooms": { "type": "integer" },
          "bathrooms": { "type": "integer" },
          "beachKm": { "type": "number" },
          "score": { "type": "integer", "minimum": 0, "maximum": 100 },
          "grossYield": { "type": "number" },
          "netYield": { "type": "number" },
          "status": { "type": "string", "enum": ["off-plan", "under-construction", "key-ready"] }
        }
      }
    }
  },
  "externalDocs": {
    "description": "Full documentation",
    "url": "https://avenaterminal.com/mcp-server"
  }
}