---
title: "Get Materials"
method: GET
path: "/api/v1/dropdowns/materials-for-process/{process_id}"
tags: ["dropdowns"]
---

# Get Materials

`GET /api/v1/dropdowns/materials-for-process/{process_id}`

Return materials that are valid for the given machining process.

Enables cascading dropdowns: after the user selects a machining
process, the material dropdown is filtered to only show compatible
options.

## Path parameters

- `process_id` string, uuid, required

## Response `200`

Successful Response

- DropdownResponse[]
  - `id` string, uuid, required
  - `category` string, required
  - `label` string, required
  - `value` string, required
  - `sort_order` integer, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/prototyping/apis/prototyping-io-api.md) · [All operations](https://skmtc.dev/prototyping/apis/prototyping-io-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/prototyping/prototyping-io-api/revisions/f4a0079fbb57/schema)