---
title: "Changes to Apply a Credit Note to an Invoice"
method: POST
path: "/credit-note-applications"
---

# Changes to Apply a Credit Note to an Invoice

`POST /credit-note-applications`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 939 revisions.

- **2026-06-17** `d01512162768`: 1 breaking, 2 warning, 2 info
- **2026-06-16** `12ab2101be2a`: 2 breaking, 1 warning, 1 info
- **2026-06-16** `c5cfe471a2b3`: 1 breaking, 2 warning, 2 info

## Changes

- **2026-06-17** `d01512162768`: 1 breaking, 2 warning, 2 info
  - the `appliedAt` response's property format changed from `date-time` to no format for status `201`
  - deleted the `header` request parameter `Idempotency-Key`
  - deleted the `header` request parameter `Sequence-Version`
  - added the new optional `header` request parameter `sequence-version`
  - added the success response with the status `200`
- **2026-06-16** `12ab2101be2a`: 2 breaking, 1 warning, 1 info
  - added the new required `header` request parameter `Idempotency-Key`
  - removed the success response with the status `200`
  - deleted the `header` request parameter `sequence-version`
  - added the new optional `header` request parameter `Sequence-Version`
- **2026-06-16** `c5cfe471a2b3`: 1 breaking, 2 warning, 2 info
  - the `appliedAt` response's property format changed from `date-time` to no format for status `201`
  - deleted the `header` request parameter `Idempotency-Key`
  - deleted the `header` request parameter `Sequence-Version`
  - added the new optional `header` request parameter `sequence-version`
  - added the success response with the status `200`

---

[Operation](https://skmtc.dev/sequencehq/apis/sequence/docs/credit-note-applications/post.md) - [API](https://skmtc.dev/sequencehq/apis/sequence.md) - [Page](https://skmtc.dev/sequencehq/apis/sequence/changes/credit-note-applications/post)