---
title: "Changes to Extend Dataset Content"
method: POST
path: "/public/v2/datasets/extend"
---

# Changes to Extend Dataset Content

`POST /public/v2/datasets/extend`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 14 revisions.

- **2026-08-06** `933e8c8e6366` — 4 info
- **2026-07-26** `05003e7835a2` — 1 info

## Changes

- **2026-08-06** `933e8c8e6366` — 4 info
  - added the new optional request property `prompt_settings/known_models/items/deprecation_date`
  - added the new optional request property `prompt_settings/known_models/items/lifecycle_state`
  - added the new optional request property `prompt_settings/known_models/items/replacement_alias`
  - added the new optional request property `prompt_settings/known_models/items/retirement_date`
- **2026-07-26** `05003e7835a2` — 1 info
  - the endpoint scheme security `ClassicAPIKeyHeader` was added to the API

---

[Operation](https://skmtc.dev/galileo/apis/galileo-api-server/docs/public/v2/datasets/extend/post.md) · [API](https://skmtc.dev/galileo/apis/galileo-api-server.md) · [Page](https://skmtc.dev/galileo/apis/galileo-api-server/changes/public/v2/datasets/extend/post)