---
title: "Changes to Expire a Checkout Session"
method: POST
path: "/api/service/checkout/session/expire"
---

# Changes to Expire a Checkout Session

`POST /api/service/checkout/session/expire`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 5 of 52 revisions.

- **2026-04-29** `84194dfc43b4` — 1 warning
- **2026-03-06** `d617edaf95c0` — 1 info
- **2025-12-15** `ba07219170b2` — 1 breaking, 1 info
- **2025-11-18** `2754617a3ec4` — 12 breaking
- **2025-10-02** `1177ad83c85f` — 1 warning

## Changes

- **2026-04-29** `84194dfc43b4` — 1 warning
  - added the new `USD` enum value to the `price/currency` response property for the response status `200`
- **2026-03-06** `d617edaf95c0` — 1 info
  - added the new optional `header` request parameter `Idempotency-Key`
- **2025-12-15** `ba07219170b2` — 1 breaking, 1 info
  - the `prefill` response's property type changed from no type to `object` for status `200`
  - added the required property `prefill/bankId` to the response with the `200` status
- **2025-11-18** `2754617a3ec4` — 12 breaking
  - the response property `billingAddress/firstName` became optional for the status `200`
  - the response property `billingAddress/lastName` became optional for the status `200`
  - the response property `billingAddress/line2` became optional for the status `200`
  - the response property `billingAddress/region` became optional for the status `200`
  - the response property `merchant/address/firstName` became optional for the status `200`
  - the response property `merchant/address/lastName` became optional for the status `200`
  - the response property `merchant/address/line2` became optional for the status `200`
  - the response property `merchant/address/region` became optional for the status `200`
  - the response property `shippingAddress/firstName` became optional for the status `200`
  - the response property `shippingAddress/lastName` became optional for the status `200`
  - the response property `shippingAddress/line2` became optional for the status `200`
  - the response property `shippingAddress/region` became optional for the status `200`
- **2025-10-02** `1177ad83c85f` — 1 warning
  - removed the optional property `mandate` from the response with the `200` status

---

[Operation](https://skmtc.dev/augustus/apis/ivy-api/docs/api/service/checkout/session/expire/post.md) · [API](https://skmtc.dev/augustus/apis/ivy-api.md) · [Page](https://skmtc.dev/augustus/apis/ivy-api/changes/api/service/checkout/session/expire/post)