---
title: "List calculations a model builder can use"
method: GET
path: "/model_builders/calculations"
tags: ["Model builders"]
---

# List calculations a model builder can use

`GET /model_builders/calculations`

## Request

- Base URL: `https://api.ionworks.com`
- URL: `https://api.ionworks.com/model_builders/calculations`
- Auth: none declared

Calculation types with their option schemas; data-driven ones are excluded.

## Response `200`

Successful Response

- CalculationType[]
  - `type` string, required
  - `summary` string, required
  - `schema` object, required: Options JSON schema.

## Changes

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

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