---
title: "Changes to Cart simulation"
method: POST
path: "/api/checkout/pub/orderForms/simulation"
---

# Changes to Cart simulation

`POST /api/checkout/pub/orderForms/simulation`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 57 revisions.

- **2026-03-10** `a0dbd27f3595`: 1 info
- **2025-12-23** `e5256b4049ca`: 3 breaking
- **2025-07-11** `9854a7ce6681`: 1 breaking, 1 warning

## Changes

- **2026-03-10** `a0dbd27f3595`: 1 info
  - added the new optional request property `allowedOutdatedData`
- **2025-12-23** `e5256b4049ca`: 3 breaking
  - the request property `items/items/id` became required
  - the request property `items/items/quantity` became required
  - the request property `items/items/seller` became required
- **2025-07-11** `9854a7ce6681`: 1 breaking, 1 warning
  - the `items/items/priceTags/items/rawValue` response's property type changed from `integer` to `number` for status `200`
  - removed the optional property `items/items/priceTags/items/owner` from the response with the `200` status

---

[Operation](https://skmtc.dev/vtex/apis/checkout-api/docs/api/checkout/pub/orderForms/simulation/post.md) - [API](https://skmtc.dev/vtex/apis/checkout-api.md) - [Page](https://skmtc.dev/vtex/apis/checkout-api/changes/api/checkout/pub/orderForms/simulation/post)