Tracking event payload example

{
  "subscription_type": "shipment_tracking",
  "payload": [
    {
      "shipment_id": 115,
      "tracking_number": "9400109205328003425036",
      "tracking_event_id": 539,
      "parcel_id": 115,
      "code": "01",
      "secondary_code": "01",
      "description": "Delivered, In/At Mailbox",
      "event_timestamp": "2018-11-13T00:00:00.000Z",
      "city": "New Oceane",
      "state": "CA",
      "postal_code": "34668-2801",
      "country": "US"
    },
    {
      "shipment_id": 115,
      "tracking_number": "9400109205328003425036",
      "tracking_event_id": 540,
      "parcel_id": 115,
      "code": "OF",
      "secondary_code": null,
      "description": "Out for Delivery",
      "event_timestamp": "2018-11-12T19:00:24.000Z",
      "city": "Lake Jett",
      "state": "LA",
      "postal_code": "91251-7728",
      "country": "US"
    }
  ]
}

code and secondary_code vary by carrier. For USPS the codes are documented in Publication 199, Appendix G-4 (https://postalpro.usps.com/impbimplementationguide).

Payment status event payload example

{
  "subscription_type": "payment_status",
  "payload": [
    {
      "payment_method_id": 0,
      "payment_transaction_id": 0,
      "gateway_txn_reference": "string",
      "transaction_time": "2020-05-14T15:56:58.550Z",
      "amount": 0,
      "type": "string",
      "status": "string"
    }
  ]
}