---
title: "Changes to Register client usage metrics"
method: POST
path: "/api/client/metrics"
---

# Changes to Register client usage metrics

`POST /api/client/metrics`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 7 revisions.

- **2026-07-31** `3ead4e02c359` — 2 info
- **2026-06-15** `f6de81c5f61c` — 1 warning, 2 info
- **2026-02-11** `a5f9340a767e` — 1 info

## Changes

- **2026-07-31** `3ead4e02c359` — 2 info
  - added the new optional request property `sdkFlavor`
  - added the new optional request property `sdkFlavorVersion`
- **2026-06-15** `f6de81c5f61c` — 1 warning, 2 info
  - removed the request property `environment`
  - the request property `bucket` became nullable
  - the request property `bucket` became optional
- **2026-02-11** `a5f9340a767e` — 1 info
  - the request property `bucket/toggles/additionalProperties/variants` became nullable

---

[Operation](https://skmtc.dev/unleash/apis/unleash-api-2/docs/api/client/metrics/post.md) · [API](https://skmtc.dev/unleash/apis/unleash-api-2.md) · [Page](https://skmtc.dev/unleash/apis/unleash-api-2/changes/api/client/metrics/post)