---
title: "Changes to Log scalar training metrics on a TrainingSession (append-only time-series,\nupserts on (session, key, step) so retries are idempotent)."
method: POST
path: "/v1/accounts/{account_id}/trainingSessions/{training_session_id}:logMetrics"
---

# Changes to Log scalar training metrics on a TrainingSession (append-only time-series,
upserts on (session, key, step) so retries are idempotent).

`POST /v1/accounts/{account_id}/trainingSessions/{training_session_id}:logMetrics`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 28 revisions.

- **2026-10-16** `3bf245180173`: 1 info

## Changes

- **2026-10-16** `3bf245180173`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/fw-ai-external/apis/gateway-rest-api/docs/v1/accounts/:account_id/trainingSessions/:training_session_id:logMetrics/post.md) - [API](https://skmtc.dev/fw-ai-external/apis/gateway-rest-api.md) - [Page](https://skmtc.dev/fw-ai-external/apis/gateway-rest-api/changes/v1/accounts/:account_id/trainingSessions/:training_session_id:logMetrics/post)