{
  "openapi": "3.1.0",
  "info": {
    "title": "Plan Maestro public API",
    "version": "1.0.0",
    "description": "Read-only discovery API for plan-maestro.com. The teaching application at https://prime.plan-maestro.com is not part of this contract. Paths under /api/v1 are stable. A deprecation is signaled with an RFC 8594 Sunset header at least 90 days ahead. Unknown /api paths return HTTP 404 and application/problem+json. This API requires no authentication."
  },
  "servers": [
    {
      "url": "https://plan-maestro.com"
    }
  ],
  "security": [],
  "paths": {
    "/api/v1/health": {
      "get": {
        "operationId": "getHealth",
        "summary": "Liveness of the public Plan Maestro site API",
        "description": "Returns whether the public read-only API on plan-maestro.com is responding. It does not check Plan Maestro PRIME.",
        "responses": {
          "200": {
            "description": "The public API is up.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Health"
                }
              }
            }
          },
          "405": {
            "$ref": "#/components/responses/MethodNotAllowed"
          }
        }
      }
    },
    "/api/v1/site": {
      "get": {
        "operationId": "getSite",
        "summary": "Public identity and discovery URLs for Plan Maestro",
        "description": "Returns the product name and the public URLs an agent needs next: the app, documentation, developer resources, llms.txt, and the OpenAPI document.",
        "responses": {
          "200": {
            "description": "Public site facts.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Site"
                }
              }
            }
          },
          "405": {
            "$ref": "#/components/responses/MethodNotAllowed"
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "Health": {
        "type": "object",
        "additionalProperties": false,
        "required": ["status", "service"],
        "properties": {
          "status": {
            "type": "string",
            "const": "ok"
          },
          "service": {
            "type": "string",
            "const": "plan-maestro"
          }
        }
      },
      "Site": {
        "type": "object",
        "additionalProperties": false,
        "required": ["name", "url", "appUrl", "docsUrl", "developersUrl", "llmsTxt", "openapi", "language"],
        "properties": {
          "name": { "type": "string" },
          "url": { "type": "string", "format": "uri" },
          "appUrl": { "type": "string", "format": "uri" },
          "docsUrl": { "type": "string", "format": "uri" },
          "developersUrl": { "type": "string", "format": "uri" },
          "llmsTxt": { "type": "string", "format": "uri" },
          "openapi": { "type": "string", "format": "uri" },
          "language": { "type": "string" }
        }
      },
      "Problem": {
        "type": "object",
        "description": "RFC 9457 problem details. hint tells the agent where to look next.",
        "required": ["type", "title", "status", "detail", "code", "hint"],
        "properties": {
          "type": { "type": "string", "format": "uri" },
          "title": { "type": "string" },
          "status": { "type": "integer" },
          "detail": { "type": "string" },
          "instance": { "type": "string" },
          "code": { "type": "string" },
          "hint": { "type": "string" }
        }
      }
    },
    "responses": {
      "MethodNotAllowed": {
        "description": "The HTTP method is not allowed on this endpoint.",
        "headers": {
          "Allow": {
            "description": "Methods the endpoint accepts.",
            "schema": { "type": "string", "const": "GET" }
          }
        },
        "content": {
          "application/problem+json": {
            "schema": {
              "$ref": "#/components/schemas/Problem"
            }
          }
        }
      },
      "NotFound": {
        "description": "No API resource exists at the requested path.",
        "content": {
          "application/problem+json": {
            "schema": {
              "$ref": "#/components/schemas/Problem"
            }
          }
        }
      }
    }
  }
}