---
title: "Changes to Update a checkout"
method: PATCH
path: "/v0.1/checkouts/{checkout_id}"
---

# Changes to Update a checkout

`PATCH /v0.1/checkouts/{checkout_id}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 79 revisions.

- **2026-10-14** `0f66b0a52002`: 2 breaking, 2 info
- **2026-07-10** `c75ca16e1e44`: 1 info

## Changes

- **2026-10-14** `0f66b0a52002`: 2 breaking, 2 info
  - removed the enum value `BGN` of the request property `currency`
  - the `checkout_reference` request property's maxLength was decreased to `64`
  - removed the `BGN` enum value from the `currency` response property for the response status `200`
  - removed the `BGN` enum value from the `transactions/items/allOf[subschema #1: Transaction Base]/currency` response property for the response status `200`
- **2026-07-10** `c75ca16e1e44`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/sumup/apis/sumup-rest-api/docs/v0.1/checkouts/:checkout_id/patch.md) - [API](https://skmtc.dev/sumup/apis/sumup-rest-api.md) - [Page](https://skmtc.dev/sumup/apis/sumup-rest-api/changes/v0.1/checkouts/:checkout_id/patch)