{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api.airbnb.com/schemas/airbnb/webhook-event.json",
  "title": "Airbnb Webhook Event",
  "description": "The envelope schema for all webhook event notifications sent by the Airbnb platform to partner endpoints, including event metadata and typed payloads.",
  "type": "object",
  "required": ["event_id", "event_type", "timestamp", "data"],
  "properties": {
    "event_id": {
      "type": "string",
      "description": "A unique identifier for this webhook event, used for idempotency and deduplication."
    },
    "event_type": {
      "type": "string",
      "description": "The type of event that triggered the webhook notification.",
      "enum": [
        "reservation.created",
        "reservation.confirmed",
        "reservation.cancelled",
        "reservation.updated",
        "reservation.checked_in",
        "reservation.checked_out",
        "message.created",
        "review.submitted",
        "calendar.updated",
        "listing.updated",
        "pricing.updated",
        "booking.created",
        "booking.confirmed",
        "booking.cancelled"
      ]
    },
    "timestamp": {
      "type": "string",
      "format": "date-time",
      "description": "The ISO 8601 timestamp when the event occurred."
    },
    "api_version": {
      "type": "string",
      "description": "The API version used for the webhook payload format."
    },
    "data": {
      "type": "object",
      "description": "The event-specific payload data. Structure varies by event_type."
    }
  }
}