---
title: "Changes to Set an app's feature flag"
method: PUT
path: "/feature-flags/2026-03/{appId}/flags/{flagName}"
---

# Changes to Set an app's feature flag

`PUT /feature-flags/2026-03/{appId}/flags/{flagName}`

> Every recorded change to this endpoint, newest first.
> 14 revisions in range; 1 not diffed, 2 could not be searched.

## Timeline

Changed in 1 of 14 revisions.

- **2026-03-30** `dc2fdad57f7f` — 1 info

## Changes

- **2026-03-30** `dc2fdad57f7f` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/hubspot/apis/hubspot-api-specification/docs/feature-flags/2026-03/:appId/flags/:flagName/put.md) · [API](https://skmtc.dev/hubspot/apis/hubspot-api-specification.md) · [Page](https://skmtc.dev/hubspot/apis/hubspot-api-specification/changes/feature-flags/2026-03/:appId/flags/:flagName/put)