---
title: "Delete a specific cell instance by id"
method: DELETE
path: "/cell_instances/{cell_instance_id}"
tags: ["Cell Instances"]
---

# Delete a specific cell instance by id

`DELETE /cell_instances/{cell_instance_id}`

## Request

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

Deletes an existing cell instance identified by its ID, including:
- All measurements (cascades to delete measurement steps)
- All associated data files in storage bucket for all measurements
- The instance itself

## Path parameters

- `cell_instance_id` string, uuid, required

## Response `204`

Successful Response

## Other responses

- `422`: Validation Error

## Changes

- **2026-09-30** `ea3d377fec1a`: 1 breaking
  - for the `path` request parameter `cell_instance_id`, the format changed from no format to `uuid`

[Operation history](https://skmtc.dev/ionworks/apis/ionworks-api/changes/cell_instances/:cell_instance_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)