---
title: "Changes to Retrieve a preorder"
method: GET
path: "/preorders/{preorder}"
---

# Changes to Retrieve a preorder

`GET /preorders/{preorder}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 15 revisions.

- **2026-10-20** `819b111dc3bc`: 1 breaking
- **2026-10-19** `87f98453866f`: 1 info
- **2026-09-18** `78c545d96a34`: 18 warning

## Changes

- **2026-10-20** `819b111dc3bc`: 1 breaking
  - the `data/buyer/consents/items/occurred_at` response's property type changed from `string` to `integer` for status `200`
- **2026-10-19** `87f98453866f`: 1 info
  - added the required property `data/buyer/consents` to the response with the `200` status
- **2026-09-18** `78c545d96a34`: 18 warning
  - added the new `external_id_in_use` enum value to the `code` response property for the response status `400`
  - added the new `external_id_in_use` enum value to the `code` response property for the response status `401`
  - added the new `external_id_in_use` enum value to the `code` response property for the response status `403`
  - added the new `external_id_in_use` enum value to the `code` response property for the response status `404`
  - added the new `external_id_in_use` enum value to the `code` response property for the response status `429`
  - added the new `external_id_in_use` enum value to the `code` response property for the response status `500`
  - added the new `requires_ekho_review` enum value to the `code` response property for the response status `400`
  - added the new `requires_ekho_review` enum value to the `code` response property for the response status `401`
  - added the new `requires_ekho_review` enum value to the `code` response property for the response status `403`
  - added the new `requires_ekho_review` enum value to the `code` response property for the response status `404`
  - added the new `requires_ekho_review` enum value to the `code` response property for the response status `429`
  - added the new `requires_ekho_review` enum value to the `code` response property for the response status `500`
  - added the new `resource_not_writable` enum value to the `code` response property for the response status `400`
  - added the new `resource_not_writable` enum value to the `code` response property for the response status `401`
  - added the new `resource_not_writable` enum value to the `code` response property for the response status `403`
  - added the new `resource_not_writable` enum value to the `code` response property for the response status `404`
  - added the new `resource_not_writable` enum value to the `code` response property for the response status `429`
  - added the new `resource_not_writable` enum value to the `code` response property for the response status `500`

---

[Operation](https://skmtc.dev/ekho/apis/ekho-api/docs/preorders/:preorder/get.md) · [API](https://skmtc.dev/ekho/apis/ekho-api.md) · [Page](https://skmtc.dev/ekho/apis/ekho-api/changes/preorders/:preorder/get)