---
title: "Changes to Create Model"
method: POST
path: "/api/models/register"
---

# Changes to Create Model

`POST /api/models/register`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 4 revisions.

- **2026-06-13** `33e4ba4936ad` — 2 info
- **2026-05-01** `c9eb29ec9a1b` — 6 info

## Changes

- **2026-06-13** `33e4ba4936ad` — 2 info
  - added the new optional request property `instruct`
  - added the new optional request property `top_n`
- **2026-05-01** `c9eb29ec9a1b` — 6 info
  - added the new optional request property `format`
  - added the new optional request property `language`
  - added the new optional request property `sample_rate`
  - added the new optional request property `voice`
  - the request property `api_key` became optional
  - request property `api_key` list-of-types was widened by adding types `null` to media type `application/json`

---

[Operation](https://skmtc.dev/xorbitsai/apis/xagent/docs/api/models/register/post.md) · [API](https://skmtc.dev/xorbitsai/apis/xagent.md) · [Page](https://skmtc.dev/xorbitsai/apis/xagent/changes/api/models/register/post)