---
title: "Delete a parameterized model"
method: DELETE
path: "/parameterized_models/{parameterized_model_id}"
tags: ["parameterized_models"]
---

# Delete a parameterized model

`DELETE /parameterized_models/{parameterized_model_id}`

## Request

- Base URL: `https://api.ionworks.com`
- URL: `https://api.ionworks.com/parameterized_models/{parameterized_model_id}`
- Auth: none declared

Delete a parameterized model, scoped like :func:`update_parameterized_model`.

## Path parameters

- `parameterized_model_id` string, uuid, required

## Query parameters

- `cell_spec_id` string, uuid, nullable

## Response `204`

Successful Response

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-20** `4185f624bbb8`: 3 info
  - the `query` request parameter `cell_spec_id` became optional
  - `query` request parameter `cell_spec_id` list-of-types was widened by adding types `null`
  - for the `query` request parameter `cell_spec_id`, the type was generalized from `string` to no type, and format from `uuid` to no format
- **2026-09-30** `ea3d377fec1a`: 2 breaking
  - for the `path` request parameter `parameterized_model_id`, the format changed from no format to `uuid`
  - for the `query` request parameter `cell_spec_id`, the format changed from no format to `uuid`

[Operation history](https://skmtc.dev/ionworks/apis/ionworks-api/changes/parameterized_models/:parameterized_model_id/delete.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/abebbbc5f60a?raw)