---
title: ETA Update
slug: fourkites-api-reference/eta-update
createdAt: 2024-02-05T09:26:30.000Z
---

`EtaUpdate` key can be used to send carrier ETA for the Load. This eta fields given is processed as overall Load Eta or the final delivery ETA.

## Field Specifications

| Attribute                             | Type   | Description                                                                                                                                                            | Example                | Mandatory (M)/ Optional (O) |
| ------------------------------------- | ------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------- | --------------------------- |
| estimatedArrivalAtDestination         | String | It indicates the Load ETA datetime to destination provided by the carrier                                                                                              | "2017-11-23T07:55:00Z" | O                           |
| estimatedArrivalAtDestinationDateOnly | String | If there is only Load Date available and no time, this field can be used to pass the date only format                                                                  | "2017-11-23"           | O                           |
| timeZone                              | String | It indicates the current time zone of**"ALL"**the provided datetime update If value not provided, then the time zone of the timestamp will be UTC by default | "UTC"                  | O                           |