---
title: "Changes to checkout.session.expired"
method: POST
path: "/webhook-events/checkout.session.expired"
---

# Changes to checkout.session.expired

`POST /webhook-events/checkout.session.expired`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 108 revisions.

- **2026-08-14** `29f14678f58f` — 18 warning
- **2026-07-31** `50b7421a9690` — 3 warning, 2 info
- **2026-07-15** `f8ecf435d25d` — 1 info

## Changes

- **2026-08-14** `29f14678f58f` — 18 warning
  - removed the optional property `checkout_session/cancel_url` from the response with the `200` status
  - removed the optional property `checkout_session/configuration` from the response with the `200` status
  - removed the optional property `checkout_session/created_at` from the response with the `200` status
  - removed the optional property `checkout_session/created_by` from the response with the `200` status
  - removed the optional property `checkout_session/environment_id` from the response with the `200` status
  - removed the optional property `checkout_session/failure_url` from the response with the `200` status
  - removed the optional property `checkout_session/idempotency_key` from the response with the `200` status
  - removed the optional property `checkout_session/metadata` from the response with the `200` status
  - removed the optional property `checkout_session/payment_provider_config` from the response with the `200` status
  - removed the optional property `checkout_session/provider_result` from the response with the `200` status
  - removed the optional property `checkout_session/result` from the response with the `200` status
  - removed the optional property `checkout_session/status` from the response with the `200` status
  - removed the optional property `checkout_session/success_url` from the response with the `200` status
  - removed the optional property `checkout_session/tenant_id` from the response with the `200` status
  - removed the optional property `checkout_session/updated_at` from the response with the `200` status
  - removed the optional property `checkout_session/updated_by` from the response with the `200` status
  - added the new `add_addon` enum value to the `checkout_session/action` response property for the response status `200`
  - added the new `subscription.plan_changed` enum value to the `event_type` response property for the response status `200`
- **2026-07-31** `50b7421a9690` — 3 warning, 2 info
  - added the new `entitlement.grant.exhausted` enum value to the `event_type` response property for the response status `200`
  - added the new `modify_subscription` enum value to the `checkout_session/action` response property for the response status `200`
  - added the new `wallet_topup` enum value to the `checkout_session/action` response property for the response status `200`
  - added the optional property `checkout_session/configuration/modify_subscription_params` to the response with the `200` status
  - added the optional property `checkout_session/configuration/wallet_topup_params` to the response with the `200` status
- **2026-07-15** `f8ecf435d25d` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/flexprice/apis/flexprice-api/docs/webhook-events/checkout.session.expired/post.md) · [API](https://skmtc.dev/flexprice/apis/flexprice-api.md) · [Page](https://skmtc.dev/flexprice/apis/flexprice-api/changes/webhook-events/checkout.session.expired/post)