---
title: "Changes to Set a project's trace retention policy"
method: PATCH
path: "/v1/projects/{project_identifier}/retention"
---

# Changes to Set a project's trace retention policy

`PATCH /v1/projects/{project_identifier}/retention`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 71 revisions.

- **2026-08-25** `ce773df0ee27` — 1 info

## Changes

- **2026-08-25** `ce773df0ee27` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api/docs/v1/projects/:project_identifier/retention/patch.md) · [API](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api.md) · [Page](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api/changes/v1/projects/:project_identifier/retention/patch)