---
title: "Tracking data model"
url: "https://docs.unified.to/shipping/tracking/model"
description: "API reference for Tracking data model. Launch multiple pre-built Tracking integrations today with zero maintenance — all through a single API."
generated_at: "2026-05-29T17:54:07.967Z"
---
# Tracking data model

 View field support, webhooks, and list parameters for each integration on the [Supported Integrations](/shipping/integrations) page. 

### 

* Data Model
* Typescript Type
* Zod Shape
* Python Class

Data Model

**id**string 

Unique identifier for this tracking object

**created\_at**date 

The date that this tracking object was created (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)

**updated\_at**date 

The last date that this tracking object was updated (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)

**shipment\_id**string 

Reference to the shipment

**tracking\_number**string 

Tracking number for the shipment

**status** enum

Valid values:

 "PENDING" 

 "PROCESSING" 

 "IN\_TRANSIT" 

 "DELIVERED" 

 "EXCEPTION" 

Current status of the shipment

**events** array 

Array of tracking events

**estimated\_delivery**date 

Estimated delivery date

**actual\_delivery\_at**date 

Actual delivery timestamp (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)

**status\_description**string 

Human-readable status

**carrier\_id**string 

Reference to the carrier

**carrier\_status\_code**string 

Carrier's status code

**carrier\_status\_description**string 

Carrier's status description

**raw**any 

The raw data returned by the integration for this tracking