{
  "openapi": "3.1.0",
  "info": {
    "title": "headless.rsvp",
    "version": "0.2.0",
    "description": "Agent-first API for headless.rsvp. Every action - create, read, update, delete, RSVP, recover - is a GET URL with query parameters. GET is the lowest-common-denominator across every LLM chat surface (ChatGPT, Claude, Gemini, Grok) on every platform (web, iOS, Android). POST/PATCH/DELETE forms are kept for traditional REST clients only."
  },
  "servers": [
    {
      "url": "https://headless.rsvp"
    }
  ],
  "components": {
    "securitySchemes": {
      "bearer": {
        "type": "http",
        "scheme": "bearer"
      }
    }
  },
  "paths": {
    "/api/events/{slug}": {
      "get": {
        "summary": "Get public event details and RSVP counts. No auth.",
        "operationId": "get_api_events_slug",
        "parameters": [
          {
            "name": "slug",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK"
          },
          "400": {
            "description": "Bad request"
          },
          "404": {
            "description": "Not found"
          }
        }
      }
    },
    "/api/rsvps/create": {
      "get": {
        "summary": "Submit an RSVP. Pass event_slug, name, status, etc. as query parameters. status must be yes|no|maybe.",
        "operationId": "get_api_rsvps_create",
        "parameters": [
          {
            "name": "event_slug",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string"
            },
            "description": "required"
          },
          {
            "name": "name",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string"
            },
            "description": "required"
          },
          {
            "name": "status",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string"
            },
            "description": "required, one of yes|no|maybe"
          },
          {
            "name": "email",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string"
            },
            "description": "optional"
          },
          {
            "name": "guests",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string"
            },
            "description": "optional integer"
          },
          {
            "name": "notes",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string"
            },
            "description": "optional"
          }
        ],
        "responses": {
          "200": {
            "description": "OK"
          },
          "400": {
            "description": "Bad request"
          },
          "404": {
            "description": "Not found"
          }
        }
      }
    },
    "/api/rsvps": {
      "post": {
        "summary": "POST equivalent of /api/rsvps/create for traditional REST clients. Body is JSON. Agents should prefer the GET form.",
        "operationId": "post_api_rsvps",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "event_slug": {
                    "type": "string",
                    "description": "required"
                  },
                  "name": {
                    "type": "string",
                    "description": "required"
                  },
                  "status": {
                    "type": "string",
                    "description": "required, one of yes|no|maybe"
                  },
                  "email": {
                    "type": "string",
                    "description": "optional"
                  },
                  "guests": {
                    "type": "string",
                    "description": "optional integer"
                  },
                  "notes": {
                    "type": "string",
                    "description": "optional"
                  }
                }
              },
              "example": {
                "event_slug": "brendas-baby-shower",
                "name": "Alice",
                "status": "yes",
                "guests": 1,
                "notes": "Bringing a dish"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OK"
          },
          "400": {
            "description": "Bad request"
          },
          "404": {
            "description": "Not found"
          }
        }
      }
    }
  }
}