---
title: "Changes to Create a fine tuning job"
method: POST
path: "/ai/fine_tuning/jobs"
---

# Changes to Create a fine tuning job

`POST /ai/fine_tuning/jobs`

> Every recorded change to this operation, newest first.
> 521 revisions in range; 1 not diffed.

## Timeline

Changed in 1 of 521 revisions.

- **2026-02-03** `6a9394d3d3bb`: 2 breaking

## Changes

- **2026-02-03** `6a9394d3d3bb`: 2 breaking
  - the response property `finished_at` became nullable for the status `200`
  - the response property `trained_tokens` became nullable for the status `200`

---

[Operation](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/docs/ai/fine_tuning/jobs/post.md) - [API](https://skmtc.dev/team-telnyx/apis/telnyx-api-2.md) - [Page](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/ai/fine_tuning/jobs/post)