{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/grubhub/refs/heads/main/json-structure/grubhub-courierlocationpayload-structure.json",
  "name": "Grubhub Courier Location Payload",
  "description": "Webhook payload for a courier location or ETA update.",
  "type": "object",
  "properties": {
    "event_type": {
      "type": "string",
      "description": "The type of delivery event.",
      "const": "COURIER_LOCATION_UPDATE",
      "example": "STANDARD"
    },
    "order_uuid": {
      "type": "uuid",
      "description": "The UUID of the associated order.",
      "example": "3fa85f64-5717-4562-b3fc-2c963f66afa6"
    },
    "delivery_id": {
      "type": "string",
      "description": "The unique identifier for the delivery.",
      "example": "id-1234567890"
    },
    "latitude": {
      "type": "double",
      "description": "The courier's current latitude coordinate.",
      "example": 41.8781
    },
    "longitude": {
      "type": "double",
      "description": "The courier's current longitude coordinate.",
      "example": -87.6298
    },
    "pickup_eta": {
      "type": "datetime",
      "description": "Updated estimated time of arrival at pickup.",
      "example": "2026-06-02T18:30:00Z"
    },
    "dropoff_eta": {
      "type": "datetime",
      "description": "Updated estimated time of arrival at dropoff.",
      "example": "2026-06-02T18:30:00Z"
    },
    "timestamp": {
      "type": "datetime",
      "description": "When this location update was recorded.",
      "example": "2026-06-02T18:30:00Z"
    }
  }
}