---
title: "Update a model builder"
method: PATCH
path: "/model_builders/{model_builder_id}"
tags: ["Model builders"]
---

# Update a model builder

`PATCH /model_builders/{model_builder_id}`

## Request

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

Partially update one of the organization's own builders.

## Path parameters

- `model_builder_id` string, uuid, required

## Request body

- UpdateModelBuilder: Body for a partial model-builder update.
  - `name` string, nullable
  - `description` string, nullable
  - `config` object, nullable

## Response `200`

Successful Response

- ModelBuilder: A model_builders row.
  - `id` string, required
  - `organization_id` string, required
  - `project_id` string, required
  - `model_id` string, required
  - `name` string, required
  - `description` string, nullable
  - `config` object, required: Pipeline config of entry and calculation elements.
  - `created_by` string, nullable
  - `created_at` string, date-time, nullable
  - `updated_at` string, date-time, nullable

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-22** `39d84bb8875e`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/ionworks/apis/ionworks-api/changes/model_builders/:model_builder_id/patch.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)