---
title: "Make a version of a parameterized model its family's current one"
method: POST
path: "/parameterized_models/{parameterized_model_id}/restore"
tags: ["parameterized_models"]
---

# Make a version of a parameterized model its family's current one

`POST /parameterized_models/{parameterized_model_id}/restore`

## Request

- Base URL: `https://api.ionworks.com`
- URL: `https://api.ionworks.com/parameterized_models/{parameterized_model_id}/restore`
- Auth: none declared
- TypeScript: <https://skmtc.dev/ionworks/apis/ionworks-api/docs/parameterized_models/:parameterized_model_id/restore/post.ts> (a function with typed inputs; its response is checked against the schema)

Make an older version current, until a newer version is saved.

The family's current version is what lists, pickers and lookups by name use.
Scoped like :func:`update_parameterized_model`.

## Path parameters

- `parameterized_model_id` string, uuid, required

## Query parameters

- `cell_spec_id` string, uuid, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

## Changes

- **2026-11-04** `a7abf182f0e7`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/ionworks/apis/ionworks-api/changes/parameterized_models/:parameterized_model_id/restore/post.md)

---

[API](https://skmtc.dev/ionworks/apis/ionworks-api.md) - [All operations](https://skmtc.dev/ionworks/apis/ionworks-api/llms.txt) - [OpenAPI document](https://skmtc.dev/ionworks/apis/ionworks-api/revisions/9018b9f3e26f?raw)