---
title: "Changes to Upload a file to a case. Optionally posts a system chat message to notify the collection partner."
method: POST
path: "/cases/{caseId}/files"
---

# Changes to Upload a file to a case. Optionally posts a system chat message to notify the collection partner.

`POST /cases/{caseId}/files`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 11 revisions.

- **2026-10-01** `739ec0889478`: 1 info
- **2026-09-04** `98a930b13785`: 1 breaking

## Changes

- **2026-10-01** `739ec0889478`: 1 info
  - added the new optional request property `documentType`
- **2026-09-04** `98a930b13785`: 1 breaking
  - for the `header` request parameter `Idempotency-Key`, the minLength was increased from `0` to `1`

---

[Operation](https://skmtc.dev/debitura/apis/debitura-referral-partner-api/docs/cases/:caseId/files/post.md) - [API](https://skmtc.dev/debitura/apis/debitura-referral-partner-api.md) - [Page](https://skmtc.dev/debitura/apis/debitura-referral-partner-api/changes/cases/:caseId/files/post)