---
title: "Changes to Cart Delivery Date Estimate"
method: POST
path: "/api/v1/deliveryexperience/cartDeliveryEstimate"
---

# Changes to Cart Delivery Date Estimate

`POST /api/v1/deliveryexperience/cartDeliveryEstimate`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `3edfc3693c7b`: 2 breaking, 2 warning, 1 info

## Changes

- **2026-11-03** `3edfc3693c7b`: 2 breaking, 2 warning, 1 info
  - removed the enum value `Unknown` of the request property `cartShippingOptions/shippingLocationOptions/items/estimateSource`
  - the `customerCountryCode` request property's minLength was increased from `0` to `2`
  - deleted the `header` request parameter `X-DELEGATED-PARTNER-ID`
  - the `customerCountryCode` request property's maxLength was set to `2`
  - the request property `partnerCartId` became optional

---

[Operation](https://skmtc.dev/shipium/apis/shipium-api/docs/api/v1/deliveryexperience/cartDeliveryEstimate/post.md) - [API](https://skmtc.dev/shipium/apis/shipium-api.md) - [Page](https://skmtc.dev/shipium/apis/shipium-api/changes/api/v1/deliveryexperience/cartDeliveryEstimate/post)