---
title: "Changes to Create a reconciliation exception"
method: POST
path: "/reconciliation_exceptions"
---

# Changes to Create a reconciliation exception

`POST /reconciliation_exceptions`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 21 revisions.

- **2026-10-29** `159f9ed3dbf4`: 8 breaking, 1 info
- **2026-10-07** `e4a47982742a`: 4 info

## Changes

- **2026-10-29** `159f9ed3dbf4`: 8 breaking, 1 info
  - the response property `description` became nullable for the status `201`
  - the `assignees/items/id` response's property type changed from `integer` to `string`, and format from no format to `uuid` for status `201`
  - the `comments/items/id` response's property type changed from `integer` to `string`, and format from no format to `uuid` for status `201`
  - the `data_stream_id` response's property type changed from `integer` to `string`, and format from no format to `uuid` for status `201`
  - the `id` response's property type changed from `integer` to `string`, and format from no format to `uuid` for status `201`
  - the `investigation/allOf[#/components/schemas/AgentInvestigationSession]/id` response's property type changed from `integer` to `string`, and format from no format to `uuid` for status `201`
  - the `investigation_sessions/items/id` response's property type changed from `integer` to `string`, and format from no format to `uuid` for status `201`
  - the `reconciliation_id` response's property type changed from `integer` to `string`, and format from no format to `uuid` for status `201`
  - added the new optional `header` request parameter `Idempotency-Key`
- **2026-10-07** `e4a47982742a`: 4 info
  - added the optional property `investigation/allOf[#/components/schemas/AgentInvestigationSession]/kind` to the response with the `201` status
  - added the optional property `investigation_sessions/items/kind` to the response with the `201` status
  - added the optional property `reasons` to the response with the `201` status
  - added the optional property `review_counts` to the response with the `201` status

---

[Operation](https://skmtc.dev/endclose/apis/end-close-api/docs/reconciliation_exceptions/post.md) - [API](https://skmtc.dev/endclose/apis/end-close-api.md) - [Page](https://skmtc.dev/endclose/apis/end-close-api/changes/reconciliation_exceptions/post)