# Webhook

# Receiving Webhook Notifications

After you register a webhook URL using Tracking API, we will send HTTP POST requests to that endpoint whenever events occur on a handling unit. The payload of each request contains relevant information about the event in JSON format:

```json
{
  "HandlingUnit": {
    "Events": [
      {
        "AlertDate": "2025-08-15T23:32:00+00:00",
        "AlertType": "Creation",
        "Direction": "Import",
        "Location": "MTDF",
        "State": "Active",
        "Type": "DIR"
      }
    ],
    "FreightFamily": "Container",
    "Reference": "REF_HU",
    "Spi": "SPI_HU"
  }
}