---
title: "Changes to Duplicate a collection"
method: POST
path: "/collections.duplicate"
---

# Changes to Duplicate a collection

`POST /collections.duplicate`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 59 revisions.

- **2026-10-16** `c09b7940e788`: 1 info
- **2026-09-22** `cd18cbbc1706`: 1 warning
- **2026-09-20** `a75820943fbb`: 1 info
- **2026-08-12** `9a99ee93e11d`: 1 info
- **2026-08-01** `cdfc157eefd0`: 1 info

## Changes

- **2026-10-16** `c09b7940e788`: 1 info
  - added the optional property `data/ownerId` to the response with the `200` status
- **2026-09-22** `cd18cbbc1706`: 1 warning
  - the `name` request property's maxLength was set to `100`
- **2026-09-20** `a75820943fbb`: 1 info
  - added the optional property `data/deprecatedReason` to the response with the `200` status
- **2026-08-12** `9a99ee93e11d`: 1 info
  - added the optional property `data/archivedBy/invitedBy` to the response with the `200` status
- **2026-08-01** `cdfc157eefd0`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/defaulr/apis/outline-api/docs/collections.duplicate/post.md) - [API](https://skmtc.dev/defaulr/apis/outline-api.md) - [Page](https://skmtc.dev/defaulr/apis/outline-api/changes/collections.duplicate/post)