---
title: "Get Parameterized Model Parameter Values"
method: GET
path: "/parameterized_models/{parameterized_model_id}/parameter-values"
tags: ["parameterized_models"]
---

# Get Parameterized Model Parameter Values

`GET /parameterized_models/{parameterized_model_id}/parameter-values`

## Request

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

Get all parameter values from a parameterized model as JSON.

This endpoint returns the complete parameter set from a parameterized model,
suitable for use as baseline parameters in DataFit, parameterization, or
optimization workflows. Version and citation metadata are excluded.

Parameters
----------
parameterized_model_id : str
    ID of the parameterized model to fetch parameters from
parameterized_models_repository : ParameterizedModelsRepository
    Repository for parameterized model data access

Returns
-------
dict
    All parameterized model parameter values as JSON (excluding version and
    citations)

## Path parameters

- `parameterized_model_id` string, uuid, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

## Changes

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

[Operation history](https://skmtc.dev/ionworks/apis/ionworks-api/changes/parameterized_models/:parameterized_model_id/parameter-values/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)