---
title: "List Materials"
method: GET
path: "/materials/"
tags: ["materials"]
---

# List Materials

`GET /materials/`

## Request

- Base URL: `https://api.rmfg.com`
- URL: `https://api.rmfg.com/materials/`
- Auth: one of:
  - API key in header `rmfg_key`
  - API key in header `supabase_key`
  - API key in header `supabase_refresh_key`

List all materials available for quoting

## Response `200`

Successful Response

- MaterialTable[]
  - `id` string, required
  - `material` 'Steel' | 'Aluminum' | 'Stainless Steel', required
  - `type` string, required
  - `thickness_in` number, nullable
  - `thickness_mm` number, nullable
  - `calibrated` boolean, nullable
  - `bendable` boolean, nullable
  - `weight_cm2` number, nullable
  - `display_thickness` string, nullable
  - `ultimate_tensile_strength_psi` integer, nullable
  - `yield_tensile_strength_psi` integer, nullable

## Other responses

- `404`: Not found

## Changes

- **2026-09-06** `b7e901150c5c`: 1 info
  - added the optional property `items/calibrated` to the response with the `200` status

[Operation history](https://skmtc.dev/rmfg/apis/rmfg-manufacturing-api/changes/materials/get.md)

---

[API](https://skmtc.dev/rmfg/apis/rmfg-manufacturing-api.md) - [All operations](https://skmtc.dev/rmfg/apis/rmfg-manufacturing-api/llms.txt) - [OpenAPI document](https://skmtc.dev/rmfg/apis/rmfg-manufacturing-api/revisions/078f984358b9?raw)