{
  "openapi": "3.1.0",
  "info": {
    "title": "ClaryU Public API",
    "version": "1.0.0",
    "description": "Public endpoints used by claryu.com website."
  },
  "servers": [
    {
      "url": "https://claryu.com"
    }
  ],
  "paths": {
    "/api/health": {
      "get": {
        "summary": "Health check",
        "responses": {
          "200": {
            "description": "Service health status",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    },
    "/api/waitlist": {
      "post": {
        "summary": "Add email to waitlist",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": [
                  "email"
                ],
                "properties": {
                  "email": {
                    "type": "string",
                    "format": "email"
                  },
                  "lang": {
                    "type": "string"
                  },
                  "hp": {
                    "type": "string"
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Accepted"
          },
          "400": {
            "description": "Invalid payload"
          },
          "415": {
            "description": "Unsupported media type"
          },
          "500": {
            "description": "Server error"
          }
        }
      },
      "options": {
        "summary": "CORS preflight",
        "responses": {
          "204": {
            "description": "No content"
          }
        }
      }
    }
  }
}